Infectious DiseasePfizer

Pfizer Reports Paxlovid Maintains Efficacy Against New COVID-19 Variants

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Biotechnology Media Insights

Editorial Team · July 5, 2025

Pfizer announces new data showing Paxlovid (nirmatrelvir/ritonavir) retains antiviral activity against emerging SARS-CoV-2 variants including JN.1 and KP.2.

Pharmaceutical research laboratory with drug development equipment

Pfizer today announced new in vitro and clinical data showing that Paxlovid (nirmatrelvir/ritonavir) maintains potent antiviral activity against emerging SARS-CoV-2 variants, including JN.1, KP.2, and other Omicron subvariants.

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