booster shots that can protect against various coronavirus mutations, Bloomberg reported on Tuesday.“Every time a new variant comes up we should be able to test whether or not [our vaccine] is effective," Pfizer Chief Executive Officer Albert Bourla said."Once we discover something that it is not as effective, we will very, very quickly be able to produce a booster dose that will be a small variation to the current vaccine," he added.Also Read | The Indian-Americans driving Biden’s agendaBourla’s comments follow news that Moderna is working on a similar booster shot.
On Monday, Moderna said its vaccine will protect against two known coronavirus variants, but it plans to start human studies of a booster shot for a strain from South Africa.