Merck's COVID-19 oral pill molnupiravir has a mechanism of action that can work against Omicron and any other variant, a company executive said on Monday.

"We're very confident that it will effect Omicron ... This mechanism in molecule (will) work for Omicron, and I would imagine against any variant that comes up," Dean Li, president of Merck Research Laboratories, said at J.P. Morgan's annual healthcare conference.

Data on molnupiravir's impact against Omicron is not yet available, but the pill was shown to be 30% effective at reducing hospitalizations and deaths, based on data from 1,433 patients, as per latest data released in November.

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However, this data showed significantly less effectiveness as compared to the previous figure of 50%.

The pill had received authorization from the US Food and Drug Administration last month, as well as in several other countries like the UK, Japan and India, with various countries including US signing agreements to buy the drug.


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