When the efficacy of the Oxford/AstraZeneca vaccine was announced in late 2020, there was some confusion. The overall efficacy of the vaccine at stopping people developing […]
As the United States struggles to control record-breaking increases in COVID-19 infections and hospitalizations, the roll-out of two approved vaccines offers tremendous hope for saving lives […]
After an auspicious start to the new year, the UK’s vaccine drive wavered. Since hitting an initial peak of 324,000 first doses delivered on January 15, […]
Schools are closing again in response to surging levels of COVID-19 infection, but staging randomised trials when students eventually return could help to clarify uncertainties around […]