23
Aug
The Food and Drug Administration (FDA) on Thursday greenlit a new round of annual COVID-19 vaccines, clearing the way for Americans of all ages to receive updated protection against the current summer surge. Vaccine giants Pfizer and Moderna will begin distributing doses to health care workers within days. These vaccines target the dominant variant that emerged this spring, although newer, more closely related strains are now circulating. All of these variants appear to be more transmissible than previous ones. The new boosters offer a critical lifeline for vulnerable populations, especially older adults, who have borne the brunt of COVID-related deaths…