Astrazeneca Vaccine Effectiveness Against South African Variant : Oxford/AstraZeneca Covid vaccine shows 'limited efficacy ... - Astrazeneca researchers say they're working to tweak their vaccine by inserting a genetic sequence from the new variant.
Astrazeneca Vaccine Effectiveness Against South African Variant : Oxford/AstraZeneca Covid vaccine shows 'limited efficacy ... - Astrazeneca researchers say they're working to tweak their vaccine by inserting a genetic sequence from the new variant.