Paxlovid Doesn’t Work in Many Vaccinated People: Pfizer Study

The new paper describes the results of a COVID-19 drug clinical trial.

Pfizer's Paxlovid in a file photograph. Wolfgang Rattay/Reuters

Pfizer’s COVID-19 drug did not work for many vaccinated people, according to a new paper from the company’s scientists.

There was not a statistically significant difference between Paxlovid and placebo recipients in terms of time to alleviation of symptoms, the scientists reported in the new paper.