Results for “Tests” 662 found
1. “Unlike some of these contests, the winner isn’t chosen at random. Instead, “your level of enthusiasm for watching home improvement shows will be a strong factor in the selection process,” according to the contest website.” Link here.
According to the Fairfax County Fraternal Order of Police, the average starting salary for a Fairfax County cop is $52,000. The median household income in the county was $124,831 in 2019.
Fairfax County Police Department is down 188 officers, according to Sean Corcoran, president of the Fairfax County Coalition of Police. Officers eligible for retirement are leaving, others are getting out to join higher paying federal agencies like the Capitol Police.
It is thus very difficult to exercise quality control. Here is the full story.
VOX: From 2014 to 2019, Campbell tracked more than 1,600 BLM protests across the country, largely in bigger cities, with nearly 350,000 protesters. His main finding is a 15 to 20 percent reduction in lethal use of force by police officers — roughly 300 fewer police homicides — in census places that saw BLM protests.
Campbell’s research also indicates that these protests correlate with a 10 percent increase in murders in the areas that saw BLM protests. That means from 2014 to 2019, there were somewhere between 1,000 and 6,000 more homicides than would have been expected if places with protests were on the same trend as places that did not have protests. Campbell’s research does not include the effects of last summer’s historic wave of protests because researchers do not yet have all the relevant data.
…One other possible explanation for the increased murder rate is that law enforcement officials are the ones voluntarily reducing their interactions with the community and as a result emboldening criminal activity. One way to observe whether police are reducing their efforts is to see whether the share of property crimes cleared falls over this period. In other words, are police not trying as hard — either because they are demoralized or angry at public scrutiny of their behavior — to solve low-level crimes that are reported to them? Campbell observes a 5.5 percent decline in the share of property crimes cleared, which is consistent with police reducing their efforts immediately following the protests.
More people are asking me about my attitudes toward Great Barrington and AIER, including David Henderson in this post (which also has a good transcript of my remarks to Russ Roberts). Earlier I wrote a conceptual critique of the Great Barrington Declaration, but today I would like to make some more targeted remarks. I didn’t do this when speaking to Russ because I feel they require direct quotation and documentation, which one cannot easily do in a podcast. And in general I don’t like to write posts “attacking people” (way oversupplied on the internet), but in this case libertarian sympathies are so split that a kind of a wake-up call is needed.
Let me first say that if you are libertarian, and would like a libertarian response to the pandemic, and you find Alex and me not libertarian enough, read the Ryan Bourne book from the Cato Institute. You may not agree with everything in there, but it has no “gross errors” and no “biomedical weirdness.” And people, the Cato Institute really is libertarian. They once hired David Henderson as chief economist.
As for the AIER, read this Jeremy Horpedahl thread and click through appropriately, here is the Sam Bowman-produced part of the thread. Conspiracy theorist and shall we say “speculative thinker” Naomi Wolf is now a senior researcher at AIER, please do read her tweets. 5G conspiracy theories? Vaccine nanoparticles that make you travel back in time? “Not kidding” she wrote, and the general weirdness extends far beyond that, to some of her books as well. Or try this “externality denialism” from just a few days ago: “Your vaccine status makes no difference to others.” Her pinned tweet casts suspicion on Bill Gates, and refers to “global treason.”
I say it is a mistake to let such a group set the libertarian agenda or indeed any agenda, even if you favor very rapid reopenings and are very critical of lockdowns. I implore you to think very seriously about what is going on here.
Going back to the GBD proper, which again is sponsored by AIER, here is co-author Sunetra Gupta:
“What we’ve seen is that in normal, healthy people, who are not elderly or frail or don’t have comorbidities, this virus is not something to worry about no more than how we worry about flu,” professor Gupta told HT.
Nope, almost 600,000 U.S. deaths later. Or how does this Gupta claim look?:
‘Why would you arrest transmission?’ she asks. ‘To wait for a vaccine? You cannot get rid of it.’
What would Benjamin Netanyahu say? Or Gupta in May: “Covid-19 is on the way out.”
The best of them is probably Jay Bhattacharya, with whom I often agree, and who, as far as I can tell, has no track record of blatantly false predictions. Yet even he cannot avoid a tinge of biomedical weirdness.
Why was Bhattacharya on the advisory board of the anti-vax group Panda? I am reluctant to play the “guilt by association” game here, but I think there is a broader pattern of these writers simply being wrong about the science, and their associations reflecting that.
I agree with his WSJ critique (with Kulldorff) of vaccine passports. Still, he comes up with some literally true but misleading sequences such as:
The idea that everybody needs to be vaccinated is as scientifically baseless as the idea that nobody does. Covid vaccines are essential for older, high-risk people and their caretakers and advisable for many others.
I wonder why cannot he bring himself to say that “the average social value of a 16-year-old getting vaccinated is strongly positive”? (And we are running significant tests to lower the remaining uncertainty, and if it is merely adenovirus platforms you worry about well say that.) Instead he has to walk around the issue and play down the value of near-universal Covid vaccination. You might think that is all the fault of the editorial chopping board, but it seems to be a broader and more consistent pattern with this group.
Take Hulldorff’s now-famous tweet “Those with prior natural infection do not need it [Covid vaccines]. Nor children.” “Need?” — OK, I get it, demand curves slope down. But again, his tweet is not nearly as good or as accurate a message as “the average social value of a 16-year-old getting vaccinated is strongly positive.” There is good evidence that the vaccines provide better protection than does natural infection, especially against the Covid variants, and it is established that infected younger persons can carry Covid to the unvaccinated, of which there will always be quite a few, most of all globally. Furthermore, non-vaccine methods of achieving herd immunity are looking worse, due to the spread of variants and areas such as Manaus, which seem to have high rates of reinfection. And have I mentioned that hospitalization rates for the young are rising? (We are not sure why.)
Why take this weird, hinky attitude toward the science for no good reason? It’s as if — when it comes to vaccines — they deliberately talk in an Alice in Wonderland universe without self-awareness of that fact.
No matter what your associations may or may not be, getting people vaccinated with quality vaccines is the #1 issue right now and it is the path back to liberty most likely to succeed and prove sustainable. If you are not really enthusiastic about that, I think, frankly, that you are out to lunch.
NYTimes: The Centers for Disease Control and Prevention and the National Institutes of Health announced a new initiative on Wednesday to help determine whether frequent, widespread use of rapid coronavirus tests slows the spread of the virus.
The program will make rapid at-home antigen tests freely available to every resident of two communities, Pitt County, N.C., and Hamilton County, Tenn., enough for a total of 160,000 people to test themselves for the coronavirus three times a week for a month.
“This effort is precisely what I and others have been calling for nearly a year — widespread, accessible rapid tests to help curb transmission,” said Michael Mina, an epidemiologist at Harvard University who has been a vocal proponent of rapid, at-home testing programs.
Imagine a parallel universe where Americans were tested massively, constantly, without care for cost, while those who tested negative continued more or less about their daily life.
In fact, that parallel universe exists. It’s the National Football League.
..After an October outbreak, the NFL moved to daily testing of all its players and instituted new restrictions on player behavior and stricter rules on ventilation and social distancing. The league also used electronic tracking bracelets to trace close contacts of people who tested positive. Throughout the season, the NFL spent about $100 million on more than 900,000 tests performed on more than 11,000 players and staff members. In January, the CDC published an analysis of the league that concluded, “Daily testing allowed early, albeit not immediate, identification of infection,” enabling the league to play the game safely.
You could write off the NFL’s season as the idiosyncratic achievement of a greedy sport with nearly unlimited resources. But I can think of another self-interested institution with nearly unlimited resources: It’s the government of a country with a $20 trillion economy and full control over its own currency. Unlike the NFL, though, the U.S. never made mass testing its institutional priority.
“The NFL was almost like a Korea within the United States,” Alex Tabarrok told me. “And it’s not just the NFL. Many universities have done a fabulous job, like Cornell. They have followed the Korea example, which is repeated testing of students combined with quick isolation in campus dorms. Mass testing is a policy that works in practice, and it works in theory. It’s crazy to me that we didn’t try it.” Tabarrok said we can’t be sure that a Korean or NFL-style approach to national testing would have guaranteed Korean or NFL-style outcomes. After all, that would have meant averting about 500,000 deaths. Rather, he said, comprehensive early testing was our best shot at reducing deaths and getting back to normal faster.
Here’s a question I’ve been mulling in recent months: Is Alex Tabarrok right? Are people dying because our coronavirus response is far too conservative?
I don’t mean conservative in the politicized, left-right sense. Tabarrok, an economist at George Mason University and a blogger at Marginal Revolution, is a libertarian, and I am very much not. But over the past year, he has emerged as a relentless critic of America’s coronavirus response, in ways that left me feeling like a Burkean in our conversations.
He called for vastly more spending to build vaccine manufacturing capacity, for giving half-doses of Moderna’s vaccine and delaying second doses of Pfizer’s, for using the Oxford-AstraZeneca vaccine, for the Food and Drug Administration to authorize rapid at-home tests, for accelerating research through human challenge trials. The through line of Tabarrok’s critique is that regulators and politicians have been too cautious, too reluctant to upend old institutions and protocols, so fearful of the consequences of change that they’ve permitted calamities through inaction.
Tabarrok hasn’t been alone. Combinations of these policies have been endorsed by epidemiologists, like Harvard’s Michael Mina and Brown’s Ashish Jha; by other economists, like Tabarrok’s colleague Tyler Cowen and the Nobel laureates Paul Romer and Michael Kremer; and by sociologists, like Zeynep Tufekci (who’s also a Times Opinion contributor). But Tabarrok is unusual in backing all of them, and doing so early and confrontationally. He’s become a thorn in the side of public health experts who defend the ways regulators are balancing risk. More than one groaned when I mentioned his name.
But as best as I can tell, Tabarrok has repeatedly been proved right, and ideas that sounded radical when he first argued for them command broader support now. What I’ve come to think of as the Tabarrok agenda has come closest to being adopted in Britain, which delayed second doses, approved the Oxford-AstraZeneca vaccine despite its data issues, is pushing at-home testing and permitted human challenge trials, in which volunteers are exposed to the coronavirus to speed the testing of treatments. And for now it’s working: Britain has vaccinated a larger percentage of its population than the rest of Europe and the United States have and is seeing lower daily case rates and deaths.
Misdemeanor Prosecution (NBER) (ungated) is a new, blockbuster paper by Agan, Doleac and Harvey (ADH). Misdemeanor crimes are lesser crimes than felonies and typically carry a potential jail term of less than one year. Examples of misdemeanors include petty theft/shoplifting, prostitution, public intoxication, simple assault, disorderly conduct, trespass, vandalism, reckless driving, indecent exposure, and various drug crimes such as possession. Eighty percent of all criminal justice cases, some 13 million cases a year, are misdemeanors. ADH look at what happens to subsequent criminal behavior when misdemeanor cases are prosecuted versus non-prosecuted. Of course, the prosecuted differ from the non-prosecuted so we need to find situations where for random reasons comparable people are prosecuted and non-prosecuted. Not surprisingly some Assistant District Attorneys (ADAs) are more lenient than others when it comes to prosecuting misdemeanors. ADH use the random assignment of ADAs to a case to tease out the impact of prosecution–essentially finding two similar individuals one of whom got lucky and was assigned a lenient ADA and the other of whom got unlucky and was assigned a less lenient ADA.
We leverage the as-if random assignment of nonviolent misdemeanor cases to Assistant District Attorneys (ADAs) who decide whether a case should move forward with prosecution in the Suffolk County District Attorney’s Office in Massachusetts.These ADAs vary in the average leniency of their prosecution decisions. We find that,for the marginal defendant, nonprosecution of a nonviolent misdemeanor offense leads to large reductions in the likelihood of a new criminal complaint over the next two years.These local average treatment effects are largest for first-time defendants, suggesting that averting initial entry into the criminal justice system has the greatest benefits.
… We find that the marginal nonprosecuted misdemeanor defendant is 33 percentage points less likely to be issued a new criminal complaint within two years post-arraignment (58% less than the mean for complier” defendants who are prosecuted; p < 0.01). We find that nonprosecution reduces the likelihood of a new misdemeanor complaint by 24 percentage points (60%; p < 0.01), and reduces the likelihood of a new felony complaint by 8 percentage points (47%; not significant). Nonprosecution reduces the number of subsequent criminal complaints by 2.1 complaints (69%; p < .01); the number of subsequent misdemeanor complaints by 1.2 complaints (67%; p < .01), and the number of subsequent felony complaints by 0.7 complaints (75%; p < .05). We see significant reductions in subsequent criminal complaints for violent, disorderly conduct/theft, and motor vehicle offenses.
Did you get that? On a wide variety of margins, prosecution leads to more subsequent criminal behavior. How can this be?
We consider possible causal mechanisms that could be generating our findings. Cases that are not prosecuted by definition are closed on the day of arraignment. By contrast, the average time to disposition for prosecuted nonviolent misdemeanor cases in our sample is 185 days. This time spent in the criminal justice system may disrupt defendants’ work and family lives. Cases that are not prosecuted also by definition do not result in convictions, but 26% of prosecuted nonviolent misdemeanor cases in our sample result in a conviction. Criminal records of misdemeanor convictions may decrease defendants’ labor market prospects and increase their likelihoods of future prosecution and criminal record acquisition, conditional on future arrest. Finally, cases that are not prosecuted are at much lower risk of resulting in a criminal record of the complaint in the statewide criminal records system. We find that nonprosecution reduces the probability that a defendant will receive a criminal record of that nonviolent misdemeanor complaint by 55 percentage points (56%, p < .01). Criminal records of misdemeanor arrests may also damage defendants’ labor market prospects and increase their likelihoods of future prosecution and criminal record acquisition, conditional on future arrest. All three of these mechanisms may be contributing to the large reductions in subsequent criminal justice involvement following nonprosecution.
So should we stop prosecuting misdemeanors? Not necessarily. Even if prosecution increases crime by the prosecuted it can still lower crime overall through deterrence. In fact, since there are more people who are potentially deterred than who are prosecuted, general deterrence can swamp specific deterrence (albeit there are 13 million misdemeanors so that’s quite big). The authors, however, have gone some way towards addressing this objection because they combine their “micro” analysis with a “macro” analysis of a policy experiment.
During her 2018 election campaign, District Attorney Rollins pledged to establish a presumption of nonprosecution for 15 nonviolent misdemeanor offenses…After the inauguration of District Attorney Rollins, nonprosecution rates rose not only for cases involving the nonviolent misdemeanor offenses on the Rollins list, but also for those involving nonviolent misdemeanor offenses not on the Rollins list (and for all nonviolent misdemeanor cases)…. the increases in nonprosecution after the Rollins inauguration led to a 41 percentage point decrease in new criminal complaints for nonviolent misdemeanor cases on the Rollins list (not significant), a 47 percentage point decrease in new criminal complaints for nonviolent misdemeanor cases not on the Rollins list (p < .05), and a 56 percentage point decrease in new criminal complaints for all nonviolent misdemeanor cases (p < .05).
It’s unusual and impressive to see multiple sources of evidence in a single paper. (By the way, this paper is also a great model for learning all the new specification tests and techniques in the “leave-out” literature, exogeneity, relevance, exclusion restriction, monotonicity etc. all very clearly described.)
The policy study is a short-term study so we don’t know what happens if the rule is changed permanently but nevertheless this is good evidence that punishment can be criminogenic. I am uncomfortable, however, with thinking about non-prosecution as the choice variable, even on the margin. Crime should be punished. Becker wasn’t wrong about that. We need to ask more deeply, what is it about prosecution that increases subsequent criminal behavior? Could we do better by speeding up trials (a constitutional right that is often ignored!)–i.e. short, sharp punishment such as community service on the weekend? Is it time to to think about punishments that don’t require time off work? What about more diversion to programs that do not result in a criminal record? More generally, people accused and convicted of crimes ought to find help and acceptance in re-assimilating to civilized society. It’s crazy–not just wrong but counter-productive–that we make it difficult for people with a criminal record to get a job and access various medical and housing benefits.
The authors are too sophisticated to advocate for non-prosecution as a policy but it fits with the “defund the police,” and “end cash bail” movements. I worry, however, that after the tremendous gains of the 1990s we will let the pendulum swing back too far. A lot of what counts as cutting-edge crime policy today is simply the mood affiliation of a group of people who have no recollection of crime in the 1970s and 1980s. The great forgetting. It’s welcome news that we might be on the wrong side of the punishment Laffer curve and so can reduce punishment and crime at the same time. But it’s a huge mistake to think that the low levels of crime in the last two decades are a permanent features of the American landscape. We could lose it all in a mistaken fit of moralistic naivete.
Of course, there are national health systems in Canada, Mexico, England, and France, among many others, and the uniformity of failure across this heterodox group suggests that structure may have made less of a difference than culture.
“One of the common features is that we are a medical-centric group of countries,” says Michael Mina, a Harvard epidemiologist who has spent the pandemic advocating for mass rollout of rapid testing on the pregnancy-kit model — only to meet resistance at every turn by those who insisted on a higher, clinical standard for tests. “We have an enormous focus on medicine and individual biology and individual health. We have very little focus as a group of nations on prioritizing the public good. We just don’t. It’s almost taboo — I mean, it is taboo. We have physicians running the show — that’s a consistent thing, medical doctors across the western European countries, driving the decision-making.” The result, he says, has been short-sighted calculations that prioritize absolute knowledge about everything before advising or designing policy about anything.
…in East Asia, countries didn’t wait for the WHO’s guidance to change on aerosols or asymptomatic transmission before masking up, social-distancing, and quarantining. “They acted fast. They acted decisively,” says Mina. “They made early moves. They didn’t sit and ponder: ‘What should we do? Do we have all of the data before we make a single decision?’ And I think that is a common theme that we’ve seen across all the Western countries—a reluctance to even admit that it was a big problem and then to really act without all of the information available. To this day, people are still not acting.” Instead, he says, “decision-makers have been paralyzed. They would rather just not act and let the pandemic move forward than act aggressively, but potentially be wrong.”
This, he says, reflects a culture of medicine in which the case of the individual patient is paramount.
Here is more from David Wallace-Wells, interesting throughout and with a cameo from yours truly.
NYTimes: The Covid-19 pandemic has forced the Food and Drug Administration to postpone hundreds of drug company inspections, creating an enormous backlog that is delaying new drug approvals and leading the industry to warn of impending shortages of existing medicines.
…In an interview, F.D.A. officials said they sharply curtailed the inspections to protect their investigators, following guidelines from the Centers for Disease Control and Prevention, which discouraged federal employees from travel during the pandemic.
But some people in both industry and public health communities say that federal drug inspections are essential, and that the agency should bypass travel restrictions by taking precautions, including wearing proper personal protective equipment.
…In interviews, F.D.A. officials denied that the dramatic drop in inspections has slowed drug approvals. But a number of drug companies, including Spectrum Pharmaceuticals, Biocon Biologics and Bristol Myers Squibb, has issued statements noting deferred F.D.A. action because of the agency’s inability to conduct inspections.
In October, Spectrum announced that the F.D.A. had deferred action on its application for Rolontis, a treatment for cancer patients who have a very low number of certain white blood cells, because it could not inspect the manufacturing plant the company uses in South Korea.
In late December, Biocon Biologics notified shareholders that the F.D.A. deferred action on its joint application with Mylan for a proposed biosimilar to Avastin, a cancer drug.
Bristol Myers Squibb announced in November that the F.D.A. would miss its November deadline for taking action on a lymphoma treatment, lisocabtagene maraleucel because it could not inspect a third-party Texas manufacturing plant. The agency eventually did complete its inspection and approved the drug last month.
Grocery store workers are working, meat packers are working, hell bars and restaurants are open in many parts of the country but FDA inspectors aren’t inspecting. It boggles the mind.
Let’s review. The FDA prevented private firms from offering SARS-Cov2 tests in the crucial early weeks of the pandemic, delayed the approval of vaccines, took weeks to arrange meetings to approve vaccines even as thousands died daily, failed to approve the AstraZeneca vaccine, failed to quickly approve rapid antigen tests, and failed to perform inspections necessary to keep pharmaceutical supply lines open.
I am a long-time critic of the FDA and frankly I am stunned at the devastation.
1. Cat Jarman, River Kings: A New History of the Vikings from Scandinavia to the Silk Roads. An excellent history of what the title claims, starting from an archaeological point of view and incorporating many of the latest discoveries. The book is especially good at telling the reader how we know what we know about the Vikings: “Sweden has the highest quantity of Islamic dirhams in the whole of Europe after Russia.”
2. Jesse Singal, The Quick Fix: Why Fad Psychology Can’t Cure Our Social Ills. An overdue and very well-executed look at how many of the problems in social psychology run deeper than just the replication crisis. It covers topics of self-help books, posing and power, superpredators, bias tests, and much more. It seems the core problem is that if the general public cares about an area, it is much harder to get accurate information about those same questions — I have noticed the same tendencies in economics.
3. Eric Herschthal, The Science of Abolition: How Slaveholders Became the Enemies of Progress. A good survey of the scientific arguments against slavery, covering Benjamin Franklin, Benjamin Rush, the Lunar Society, and the technologists, among others. The 2021 gloss would be “the Progress Studies people were especially anti-slavery.” But why so little about the economists such as Smith, Malthus, and Mill, among others, all strongly opposed to slavery?
4. Christine Perkell, editor, Reading Vergil’s Aeneid: An Interpretative Guide, and David Quint, Virgil’s Double Cross: Design and Meaning in the Aeneid. Two books, excellent in their own right, and an antidote to the common view that everything in the humanities is bankrupt these days, or just “French theory,” or whatever. Of course you have to read them at the same time you are studying The Aeneid.
5. Natsume Soseki, Kokoro. From 1914, very retro in its aesthetic, it deals with modernization, the nature of friendship, and yes “the meaning of life.” Simple and charming in a way that contemporary authors find difficult to match. From 1984 to 2004 the author appeared on the Japanese one thousand yen note.
In mid-April, while he was living with his parents in Santa Clara, Calif., Gu spent a week building his own Covid death predictor and a website to display the morbid information. Before long, his model started producing more accurate results than those cooked up by institutions with hundreds of millions of dollars in funding and decades of experience.
“His model was the only one that seemed sane,” says Jeremy Howard, a renowned data expert and research scientist at the University of San Francisco. “The other models were shown to be nonsense time and again, and yet there was no introspection from the people publishing the forecasts or the journalists reporting on them. Peoples’ lives were depending on these things, and Youyang was the one person actually looking at the data and doing it properly.”
The forecasting model that Gu built was, in some ways, simple. He had first considered examining the relationship among Covid tests, hospitalizations, and other factors but found that such data was being reported inconsistently by states and the federal government. The most reliable figures appeared to be the daily death counts. “Other models used more data sources, but I decided to rely on past deaths to predict future deaths,” Gu says. “Having that as the only input helped filter the signal from the noise.”
The novel, sophisticated twist of Gu’s model came from his use of machine learning algorithms to hone his figures.
The U.S. government distributed millions of fast-acting tests for diagnosing coronavirus infections at the end of last year to help tamp down outbreaks in nursing homes and prisons and allow schools to reopen.
But some states haven’t used many of the tests, due to logistical hurdles and accuracy concerns, squandering a valuable tool for managing the pandemic. The first batches, shipped to states in September, are approaching their six-month expiration dates.
At least 32 million of the 142 million BinaxNOW rapid Covid-19 tests distributed by the U.S. government to states starting last year weren’t used as of early February, according to a Wall Street Journal review of their inventories…
“The demand has just not been there,” said Myra Kunas, Minnesota’s interim public health lab director.
…the tests are piling up in many states, the Journal found.
Here is more from Brianna Abbott and Sarah Krouse at the WSJ. You may recall the discussions of demand-side issues from my CWTs with Paul Romer and Glen Weyl. The envelope theorem remains underrated.
1. The regulatory, status quo bias in public health commentary: “Do any of the experts arguing that it’s wrong for Americans to demand access to the AstraZeneca vaccine also advise residents of the UK, EU, and 15 other countries to delay taking it until our FDA grants authorization?”
3. People are fed up with broken vaccine appointment tools — so they’re building their own (Technology Review).
7. Ross Douthat on the Romney family plan (NYT).
8. It seems fear of kidnapping is severely limiting mobility in Haiti, even for the non-wealthy (NYT).
The barriers are breaking. Step by step we move closer to First Doses First. New results from a small-scale study suggest that people who have had COVID have strong reactions to the first dose and may not need the second dose.
NYTimes: Based on these results, the researchers say, people who have had Covid-19 may need only one shot.
“I think one vaccination should be sufficient,” said Florian Krammer, a virologist at the Icahn School of Medicine at Mount Sinai and an author on the study. “This would also spare individuals from unnecessary pain when getting the second dose and it would free up additional vaccine doses.”
…People who have had Covid seem to be “reacting to the first dose as if it was a second dose,” said Akiko Iwasaki, an immunologist at the Yale School of Medicine. So one dose is probably “more than enough,” she said.
A study published earlier this month reported that surviving a natural infection provided 83 percent protection from getting infected again over the course of five months. “Giving two doses on top of that appears to be maybe overkill,” she added.
So for the 25 million to 100 million Americans who have already been infected by COVID it may be better for them personally to delay the second dose. In short, a significant fraction of second doses have little to no value. This (unsurprising) finding means that First Doses First is an even better strategy even if we can’t condition doses on previous infection.
Most important, First Doses First gets more people significant immunity faster which is good for the vaccinated and also drives down R which is good for society as a whole, even the unvaccinated.
The Biden administration has been more pro-active than the Trump administration on tests and vaccination and has already made some goods calls on getting more doses out faster. I hope they continue to be bold. We need quick, bold, and decisive action.