A group of developing countries, backed by United Nations agencies and activist groups, is pushing to limit patent protections for Covid-19 vaccines being tested by some of the world’s biggest pharmaceutical companies so that inexpensive copies can be produced for poorer nations.
South Africa, Ghana, Senegal, Pakistan and others argue they won’t be able to afford to protect their people without lower-cost, generic alternatives to the vaccines now being tested by companies such as Pfizer Inc., AstraZeneca PLC and Moderna Inc.
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