Pfizer and BioNTech announced on Friday that its COVID-19 vaccine could be reworked in “approximately 100 days” to counter a new variant of the CCP virus that may be able to penetrate through vaccines.
“We understand the concern of experts and have immediately initiated investigations on variant B.1.1.529,” BioNTech said in the statement when asked to comment.
“We expect more data from the laboratory tests in two weeks at the latest,” it added. “These data will provide more information about whether B.1.1.529 could be an escape variant that may require an adjustment of our vaccine if the variant spreads globally.”
Besides Pfizer, also Johnson & Johnson (J&J) has announced it has started to test the effectiveness of its shots against the B.1.1.529 variant.
“We are closely monitoring newly emerging COVID-19 virus strains with variations in the SARS-CoV-2 spike protein and are already testing the effectiveness of our vaccine against the new and rapidly spreading variant first detected in southern Africa,” a spokesperson for J&J told news outlets.
Moderna said in a statement it is working to advance a booster candidate tailored to the new variant and has also been testing a higher dose of its existing booster and to study other booster candidates designed to protect against multiple variants.
“A booster dose of an authorized vaccine represents the only currently available strategy for boosting waning immunity,” Moderna said.