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Trials Unlikely to Show if COVID-19 Vaccine Prevents Severe Cases
A vaccine expert explains that such answers likely won’t come until a vaccine has already been approved and administered to millions of people.
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What defines an efficacious COVID-19 vaccine? A review of the challenges assessing the clinical efficacy of vaccines against SARS-CoV-2
The novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has caused more than 1 million deaths in the first 6 months of the pandemic and huge …
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