Vaccines For COVID Variants Will Require Clinical Data, US FDA Says
Safety and immunogenicity data may not be sufficient to get FDA authorization of COVID-19 vaccines against a variant, FDA’s Doran Fink says. For now, agency expects to see clinical data. Eventually, strain changes might be based on manufacturing information.
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To Boost Or Not To Boost? Pfizer, FDA, And The COVID Vaccine Communication Challenge
Pfizer’s bid for third dose appears to get pushback from the US government, but reticence about the booster may reflect PR considerations more than any fundamental concern about the vaccine.
Shifting Goalposts For Vaccine Cos As Lambda Variant Rears Head
Studies point to Johnson & Johnson, Pfizer and Bharat Biotech’s vaccines neutralizing the Delta variant of SARS-CoV-2, even if efficacy is lower compared to the original strain. This follows positive news from other vaccine companies but will the Lambda variant cause a setback?