Russian Radiological, Chemical, and Biological Defence Troops chief says Ukraine was "kept in the dark, and have no real idea about the true goals of the ongoing research."
Pfizer CEO Albert Bourla on Sunday said the vaccine maker plans to submit data on a fourth dose of its COVID-19 vaccine to the U.S. Food and Drug Administration because protection after three doses is “not that good against infections” and “doesn’t last very long” when faced with a variant like Omicron.
An executive officer at the U.S. Food and Drug Administration (FDA) said in a newly released video that President Joe Biden’s administration plans to push annual COVID-19 vaccine shots.