Moderna COVID Vaccine Protection May Last Years, Company Claims

FRIDAY, Jan. 8, 2021 (HealthDay News) -- Moderna's CEO said their COVID-19 vaccine may prevent infection for years, CBS News reported Thursday.

While speaking at a virtual event hosted by Oddo BHF, a financial service group, Moderna CEO Stephane Bancel said the "nightmare scenario" that the vaccine won't work is now in the past.

"We believe there will be protection potentially for a couple of years," Bancel said.The "antibody decay generated by the vaccine in humans goes down very slowly," Reuters reported. Questions about elderly patients remain because their immune system weakens over time, Bancel noted.

The CDC says that because reinfection is possible with COVID-19, even people who have already had the virus should still receive the vaccine. Natural immunity varies from person to person, CBS News reported.

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