Pfizer says COVID treatment Paxlovid fails to prevent spread of infection of household members

Pfizer says COVID treatment Paxlovid fails to prevent infection of household members Pfizer Inc on Friday said a large trial found that its COVID-19 oral antiviral treatment Paxlovid was not effective at preventing coronavirus infection in people living with someone who had been exposed to the virus. Reuters Reuters

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The trial enrolled 3,000 adults who were household contacts exposed to an individual who was experiencing symptoms and had recently tested positive for COVID-19. They were either given Paxlovid for five or 10 days or a placebo.

Those who took the five-day course were found to be 32% less likely to become infected than the placebo group. That rose to 37% with 10 days of Paxlovid. However, the results were not statistically significant and thus possibly due to chance. ...