Moderna and rival Pfizer on Wednesday (Sept 6) said their updated Covid-19 vaccines generated strong responses in testing against the highly mutated BA.2.86 subvariant of the coronavirus that has raised fears of a resurgence of infections. Moderna said its shot generated an 8.7-fold increase in neutralising antibodies against BA.2.86 compared with an untreated natural antibody response in clinical trials in...
Moderna and rival Pfizer on Wednesday said their updated Covid-19 vaccines generated strong responses in testing against the highly mutated BA.2.86 subvariant of the coronavirus that has raised fears of a resurgence of infections.
Pfizer said its updated vaccine with partner BioNTech elicited a strong antibody response against BA.2.86 in a preclinical study in mice. TD Cowen analyst Tyler Van Buren said Wednesday's news was unlikely to raise the share price because people already assume the mRNA vaccines will continue to be effective against new Covid variants as they crop up. Both the Moderna and Pfizer/BioNTech shots are based on mRNA technology.
Moderna said it had shared the new finding on its vaccine with regulators and submitted it for peer review publication. The retooled shot has yet to be approved by the US Food and Drug Administration, but is expected to be available later this month or in early October.
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