A covid-19 vaccine is a biotechnology product intended to provide acquired immunity against coronavirus disease covid-19. As of december 2020, researchers are testing 59vaccines in clinical trials on...

A covid-19 vaccine is a biotechnology product intended to provide acquired immunity against coronavirus disease covid-19. As of december 2020, researchers are testing 59vaccines in clinical trials on humans and 16 have reached the final stages of testing. A covid vaccine developed by pfizer has been already approved for use in the uk and the first doses have been given to patients. vaccine typically require years of research and testing before reaching the clinic but in 2020, scientists embarked on a race to produce safe and effective coronavirus vaccine in record time.

1. companies developing vaccines,drugs and diagnostic for covid-19 for being forced to scale up manufacturing challenges to meet the enormous demand, what the manufacturing challenges to meet the covid-19 vaccine demand.