Studies show the protection provided by COVID-19 jabs may fade over time. That’s why some nations are announcing booster jab campaigns. The WHO says supplies should go to poorer countries. Is a third dose in wealthy nations really justified?
Studies show the protection provided by COVID-19 jabs may fade over time. That’s why some nations are announcing booster jab campaigns. The WHO says supplies should go to poorer countries. Is a third dose in wealthy nations really justified?