Covid at home pill treatment

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  Pfizer's experimental oral drug to treat Covid-19 at the first sign of illness could be available by the end of the year, CEO Albert Bourla told CNBC on Tuesday.
• The drug is part of a class of medicines called protease inhibitors and works by inhibiting an enzyme that the virus needs to replicate in human cells.
• Protease inhibitors are used to treat other viral pathogens such as HIV and hepatitis C.
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Pfizer at-home Covid pill could be available by year-end, CEO Albert Bourla says (cnbc.com)