CURRENTGLOBAL Pfizer says Covid-19 treatment Paxlovid fails to prevent infection of household membersEditor Selangor JournalApril 30, 2022 by Editor Selangor JournalApril 30, 2022 REUTERS, April 30 — Pfizer Inc on Friday said a large trial found that its Covid-19 oral antiviral treatment Paxlovid was not effective at preventing...