Let us not again forget knowledge of exponentials

New variants may change everything. They’ll be 1% of all cases by end of next week, with hot spots in Florida and Southern California. But doubling every week, they’ll be about 30% of all cases in 5 or 6 weeks. It’ll be harder to hide from them, schools will be more vulnerable.

That is from Scott Gottlieb.  And much of what you thought you knew about this pandemic may soon be obsolete.