Health
Coronavirus: why combining the Oxford vaccine with Russia’s Sputnik V vaccine could make it more effective – The Conversation UK
Vaccines that use harmless viruses as a delivery mechanism are vulnerable to being attacked by our immune system – but experimenting with how they are given could…
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 wasnt the whole picture.
This figure was based on averaging the results from two groups. In one group, which was given two full doses, the vaccine was 62% effective at stopping people developing symptoms. But in the second group, a dosing error meant that…
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