61K views · 1K reactions | Covid-19 has affected tens of millions of people globally since it was declared a pandemic by the WHO on March 11, 2020. Safe and effective vaccines are urgently needed. New research findings are summarized in a short video. To read the full article, click the link: https://nej.md/3mF4A5e | The New England Journal of Medicine | Facebook

In the U.S., the available Covid-19 vaccines were shown to be highly effective against symptomatic Covid-19 in clinical trials. Data is limited on their ability to protect against more severe disease. https://nej.md/3BhUHCo | The New England Journal of Medicine