Pfizer's Covid vaccine less effective on some mutations

The E484K mutation, which has so far been detected in a small number of cases, requires 'substantially higher levels of antibody' to neutralise the virus, scientists say

A vaccine developed by Pfizer and BioNTech appears to be effective against the UK variant of coronavirus – but it is not as effective against a mutation of the variant that has now appeared.

A vaccine developed by Pfizer and BioNTech appears to be effective against the UK variant of coronavirus – but it is not as effective against a mutation of the variant that has now appeared.

Experts need to begin working on the next generation of vaccines to have modifications to account for new variants.