* Pfizer Says Covid Pill 89 Percent Effective As Omicron Variant Spreads NBC News
* Pfizer's Covid Pill Works Well, Company Confirms in Final Analysis The New York Times
* Final data on pills to treat Covid-19 holds strong against hospitalization and death, Pfizer says CNN
* Pfizer confirms pill's potency vs. omicron; study finds shot 70% effective against hospitalization STLtoday.com
* Pfizer finds COVID pill 89% effective, some hospitals drop vaccine mandates amid labor shortage Yahoo Finance
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