New Scientist Default Image

People exercise during the pandemic in Hamburg, Germany

REUTERS/Fabian Bimmer

SIMPLE behaviour changes could improve how your body responds to a covid-19 vaccination and the speed at which you are protected from the coronavirus, evidence from studies on other vaccines suggests. These factors could be so important that some scientists believe that ignoring them could reduce the overall success of the covid-19 vaccine roll-out.

More than 130 million doses of vaccine against covid-19 have been administered at the time this magazine went to press. But not everyone who gets a shot will respond in the same way. Although the majority …