COVID 19 vaccination efficacy and safety

Revision main points Show changes in GREEN Be consistent with naming COVID-19 mRNA vaccine BNT162b2 (Pfizer) mRNA-1273 vaccine (Moderna) ChAdOx1 nCoV-19 vaccine / AZD1222 (AstraZeneca) Please define: “Efficacy” and “safety” with regards to COVID-19 vaccine. Write about: Definition Formula How it was determined and why was it reliable? Any guidelines Etc…. Please back those up […]

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