FDA authorizes two more COVID-19 boosters with mix-and-match strategy

As expected, the US Food and Drug Administration (FDA) has granted authorizations for Johnson & Johnson and Moderna’s COVID-19 booster shots. In addition, the FDA has also authorized the mix-and-match approach to booster shots, meaning someone who, for example, received the Moderna vaccination initially doesn’t necessarily need to get the Moderna booster shot. The Moderna and Johnson & Johnson COVID-19 …