Pfizer refuses to share the patent for its corona vaccine. The American pharmaceutical company thus retains the exclusive right to its production. Critics think this is a bad thing, because Pfizer alone cannot meet the global demand for a vaccine in the slightest.
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Earlier this month, Pfizer and German biotech company BioNTech announced they could provide a corona vaccine that is as much as 95 percent effective. That is much better than expected. But that the pharmaceutical …
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