F.D.A. Advisers Recommend a New Covid Vaccine Formula for the Fall
The panel endorsed targeting a variant of the coronavirus that is now receding, though some officials suggested aiming at newer versions of the virus that have emerged in recent weeks.
By Noah Weiland and
![Studies have shown that protection against serious illness from Covid-19 tends to improve as the vaccines more precisely target dominant strains, according to the Food and Drug Administration.](https://static01.nyt.com/images/2023/09/12/multimedia/05COVID-VACCINE/05COVID-VACCINE-thumbLarge.jpg?auto=webp)
![Studies have shown that protection against serious illness from Covid-19 tends to improve as the vaccines more precisely target dominant strains, according to the Food and Drug Administration.](https://static01.nyt.com/images/2023/09/12/multimedia/05COVID-VACCINE/05COVID-VACCINE-threeByTwoMediumAt2X.jpg?auto=webp)