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Travel May Return to a New Normal Eventually
The welcome announcement of the Pfizer-BioNTech Covid-19 vaccine gave the world new hope, wrote CIDRAP…
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Don’t Drop Your Guard On the COVID Yet
Don’t drop your guard on the COVID yet, researchers warn. Pfizer and BioNTech have announced…
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Farewell to Herd Immunity from COVID-19
The theory of herd immunity says when 80% of us have immunity, we shelter the…