The Pfizer vaccine safety and efficacy has now been peer reviewed.

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Coronavirus disease 2019 (Covid-19) has affected tens of millions of people globally since it was declared a pandemic by the World Health Organization on March 11, 2020.2 Older adults, persons with certain coexisting conditions, and front-line workers are at highest risk for Covid-19 and its complications. Recent data show increasing rates of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and Covid-19 in other populations, including younger adults. Safe and effective prophylactic vaccines are urgently needed to contain the pandemic, which has had devastating medical, economic, and social consequences.

nejm.org/doi/10.1056/NEJMoa...