AZN Vax Less Effective on S. Africa Variant

After data was shared last week suggesting that the AstraZeneca-Oxford COVID vaccine is substantially less effective against the new COVID variant first isolated in South Africa, it looks like more questions about the efficacy of the first wave of vaccines are about to be raised, as the FT warns of a new study showing that the AZ vaccine is even less effective against the SA variant than initially believed, and often fails to prevent infections involving the new strain.