
Moderna thinks its vaccine will protect against the coronavirus for at least a year
Biotechnology company Moderna believes its vaccine should protect people against COVID-19 for at least a year, a top official told investors Monday.
"Our expectation is that the vaccination should last you at least a year," Moderna's chief medical officer Tal Zaks told the JP morgan 39th Annual Healthcare conference.
Both Moderna's and Pfizer/BioNTech's coronavirus vaccines have won emergency use authorization from the US Food and Drug Administration.
Zaks said the company will have to test people to see if adding a third dose -- a boost -- might extend protection. Currently, the vaccine is given as two doses about a month apart. Because both vaccines were only invented within the past year, no one knows how long they'll protect people.
"We'll have to boost people to see ho