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Nancy Pelosi warned that a Covid-19 vaccine should not be authorised for use in the US based on data from British trials, amid fears that the Trump administration is planning to rush out an inoculation before election day.

The Democratic speaker of the House of Representatives on Friday cast doubt on the British system for testing and approving medicines, further politicising the race to develop a vaccine for Covid-19.

“We need to be very careful about what happens in the UK. We have very stringent rules in terms of the Food and Drug Administration here, about the number of clinical trials, the timing, the number of people and all the rest,” Ms Pelosi told reporters in Washington.

Here is the full FT story, and here is a nice NYT piece, by Zeke Emanuel and others, on the superiority of the British clinical trials system, especially with respect to Covid-19.