No drop in protection against severe disease

The group, which also includes experts from the World Health Organization (WHO), based its findings on a review of randomized clinical trials and observational studies. The experts reported their findings today in a Viewpoint piece in The Lancet.

Later this week, FDA advisors will discuss Pfizer-BioNTech's application for COVID-19 vaccine booster doses, and last week, the head of the WHO pushed for an extension of a moratorium on booster doses until the end of the year to allow more people in low- and middle-income countries to be vaccinated.

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