Updated boosters are cutting the risk of getting sick from Covid-19 by about half

The updated boosters are cutting the risk that a person will get sick from Covid-19 by about half, even against infections caused by the rapidly spreading XBB.1.5 subvariant.

​The updated boosters are cutting the risk that a person will get sick from Covid-19 by about half, even against infections caused by the rapidly spreading XBB.1.5 subvariant.