A COVID-19 vaccine is set to be put forward for emergency approval in the U.S. in a few weeks. Its developers, Pfizer and BioNTech, said the vaccine could prevent nine out of 10 people from getting COVID-19. Phase 3 clinical…
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As Covid-19 cases spike in some countries, it’s clear that the pandemic isn’t slowing down. That’s why many are pinning their hopes on a vaccine. Thousands of scientists are now working on more than 150 vaccines, but none have been…