Virginia health officials said new data released by Pfizer showing that a third dose of the vaccine could strongly boost protection against the Delta variant was encouraging, but more data needed to be obtained before further steps could be taken.
Virginia health officials said new data released by Pfizer showing that a third dose of the vaccine could strongly boost protection against the Delta variant was encouraging, but more data needed to be obtained before further steps could be taken.
Pfizer officials plan to meet with health leaders on Monday about approval of a third dose of their vaccine.