Coronavirus: why combining the Oxford vaccine with Russia’s Sputnik V vaccine could make it more effective
Jim Barber/Shutterstock 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 symptomatic COVID-19, two weeks after the second dose, was 70%. But this wasn’t the whole picture. This figure was based on averagingContinue Reading