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Current controversy
Why continuing uncertainties are no reason to postpone challenge trials for coronavirus vaccines

 

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Jul 2020571555193
Aug 202016915257
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Oct 2020535506156
Nov 2020480440117
Dec 2020387349103
Jan 202154552377
Feb 202118115374
Mar 202116413179
Apr 20211068046
May 2021876540
Jun 202113811773
Jul 2021746325
Aug 2021766541
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Oct 2021999057
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Dec 2021807045
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Oct 2024202010
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Dec 2024534716
Jan 2025413921
Feb 2025545319
Mar 2025514416
Apr 2025494811
Total662261012176