Moderna thinks its vaccine will protect against the coronavirus for at least a year

Moderna believes its coronavirus vaccine protection will last at least a year.

(CNN)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.
Hospitals thought they'd see Covid-19 vaccine shortages. Sometimes, they have to throw away doses