https://www.devex.com/news/35-companies-in-12-nations-to-manufacture-pfizer-s-oral-covid-19-drug-102843/amp Sales of the treatment will be royalty-free so long as COVID-19 remains a “public health emergency of international concern,” a designation by the World Health Organization. Once this designation ends, sales to low-income countries will remain royalty-free, while sales to upper- and lower-middle-income countries will be subject to a 5% and 10% royalty based on sales to the public and the private sectors, respectively.

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