Dr. Vinay Prasad, the chief scientific officer at the Food and Drug Administration, has resigned after only three months in the position.

Vinay Prasad, who headed the U.S. FDA division in charge of vaccines and was also chief medical and scientific officer, has abruptly left the agency.  Endpoints News reported on Thursday that the FDA's newly appointed top drug regulator,

The U.S. Food and Drug Administration's top vaccine official, Vinay Prasad, has left the agency after just three months as Director of the Center for Biologics Evaluation and Research, a government spokesperson said.