The US government scientist says we should know if a vaccine is "safe and effective" by December.
The US government scientist says we should know if a vaccine is "safe and effective" by December.
Despite the misconception of a vaccine being the end to our coronavirus woes, the Director of the National Institute of Allergy and..
(Part 1 of 4) Some doctors are worried Americans are under-vaccinated for the flu virus this year due to the coronavirus pandemic.