Covid19 Vaccine Rollout Falters

Covid19 Vaccine Rollout Falters

Covid19 Vaccine Rollout Falters Should Covid-19 boosters be delayed? Could the dose levels be reduced by half, and would mixing and matching shots made by different makers work just as well? These are questions now facing governments around the world as vaccine rollout falters and the coronavirus continues to rage, spurred on by new variants […]