Covigilant Research, LLC Clinical Trials Site Management Organization

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Rare cases of COVID returning pose questions for Pfizer pill | The Seattle Times

A small number of COVID-19 patients are relapsing after taking Pfizer’s antiviral pill, raising questions about the drug at the center of the U.S. …Read MoreA small number of COVID-19 patients are relapsing after taking Pfizer’s antiviral pill, raising questions about the drug at the center of the U.S. …

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