Study Title

A Phase 2/3 Postexposure Prophylaxis Study of PF-07321332/Ritonavir in Household Contacts of a Patient with COVID-19. (Pfizer 1006)

Purpose

To compare the efficacy of 5-day and 10-day regimens of PF-07321332/ritonavir versus placebo in preventing symptomatic RT-PCR+ SARS-CoV-2 infection in adult participants who are household contacts of a patient recently diagnosed with symptomatic Covid 19.

Eligibility

Study Process