eugyppius: a plague chronicle | February 18, 2023 Pfizer enrolled 44,000 people across 270 clinical sites in the phase 3 clinical trials for the Pfizer/BioNTech Comirnaty vaccine. The largest of these sites by far was number 1231 in Buenos Aires, under the direction of the pediatric infectious diseases specialist Fernando Polack. The Argentine operation appears to […]
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