Here’s a tutorial on the usual process for vaccine development, testing and approval, for folks tracking the new coronavirus (COVID-19). In brief: it will take a while and very large clinical trials to get a coronavirus vaccine approved at FDA. But preapproval testing is likely to happen on the ground where the coronavirus is spreading, and there is a potential for expanded access (to the unapproved vaccine) in the meantime.
Continue reading “Vaccine Approval 101”