Vaccinated people are far less contagious for a far shorter time. As a result they represent a far lower risk of bringing the virus in or of helping community t

Vaccinated people are far less contagious for a far shorter time. As a result they represent a far lower risk of bringing the virus in or of helping community transmission once there. At the time vaccine rollout began we weren’t sure of this effect, but the evidence from places like Israel is showing it pretty well.