Washington (AFP) – Pfizer said Tuesday that clinical trials confirmed its Covid pill — a new type of treatment that should withstand the mutations seen with the Omicron variant — drastically reduced hospitalizations and deaths among at-risk people by almost 90 percent. The announcement, which was praised by US President Joe Biden, came as a real-world study from South Africa showed two doses of the Pfizer-BioNTech vaccine was 70 percent effective in stopping severe illness from the new strain. The sustained vaccine protection was called encouraging by the authors of the research, though it r…

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