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Pfizer is a business and is in it for the money as well as other reasons.
The WHO has said that it is unlikely that Covid-19 will go away. It is likely that like flu, Covid-19 will become endemic.
It’s foolish to believe that Covid will go away completely. That’s why a vaccine is needed.
https://www.health.com/condition/infectious-diseases/coronavirus/what-is-an-endemic-virus
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https://time.com/5942219/pfizer-third-dose-covid-19-vaccine/
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