One dose of vaccine is not enough to protect against the Delta and Beta variants, new research suggests, and even people who have had Covid-19 should be immunized.
Published: July 8, 2021 at 05:00PM
from NYT Health https://ift.tt/3AElsRH
One dose of vaccine is not enough to protect against the Delta and Beta variants, new research suggests, and even people who have had Covid-19 should be immunized.
Published: July 8, 2021 at 05:00PM
from NYT Health https://ift.tt/3AElsRH