Vaccine Trial Insights
Pfizer's vaccine trial involved nearly 44,000 participants, revealing over 90% efficacy in preventing COVID-19. Volunteers were required to show symptoms and have a confirmed infection to be counted, highlighting the importance of exposure in determining vaccine effectiveness. Despite ethical considerations, many participants inevitably faced exposure due to their daily lives, making the trial's findings particularly relevant amidst rising case counts.In this clip
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Short Wave
The COVID-19 Vaccine Trial Results: What They Mean, What Comes Next
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