FDA vaccine advisers are meeting to consider Moderna Covid-19 vaccine boosters
Moderna is requesting authorization for a 50-microgram booster dose — half the size of the 100-microgram doses used in the primary series of the two-dose vaccine — at least six months after the second dose, and only for certain groups: people age 65 and older; people ages 18 to 64 who are at high risk of severe Covid-19; and people ages 18 to 64 whose exposure to the coronavirus in their settings or jobs put them at risk for Covid-19 complications or severe illness.
Israeli researchers will also brief VRBPAC on booster data from there; most people in Israel received the Pfizer Covid-19, and boosters for vaccinated people began weeks before the United States authorized Pfizer boosters. The presenters, Dr. Sharon Alroy-Preiss, director of public health services at Israel’s Ministry of Health and Ron Milo, a professor at Israel’s Weizmann Institute, spoke in support of Pfizer’s booster application last month.
The FDA’s committee of independent advisers typically discusses and makes recommendations to the agency around vaccine authorizations and approvals, and the agency then makes the final decision about whether to OK a vaccine. If the FDA gives emergency use authorization to Moderna boosters, vaccine advisers to the US Centers for Disease Control and Prevention will meet to discuss which groups to recommend them to. Typically, shots can be administered once the CDC director signs off on the recommendation.
