Moderna Inc's COVID-19 vaccine appeared set for US regulatory authorization this week after US Food and Drug Administration staff endorsed it as safe and effective in documents released Tuesday.
An FDA decision on whether to issue a so-called emergency use authorization for the Moderna vaccine will be made after a panel of outside advisers meets Thursday. The FDA typically follows the advice of the panel, but is not required to do so.
Moderna's is the second vaccine the FDA has considered, behind one from Pfizer Inc. and Germany's BioNTech, which was authorized last week. Hospitals in the US began giving the Pfizer shots on Monday.
