A Covid-19 Vaccine Shows Encouraging Signs

Developed by Pfizer and BioNTech, an experimental vaccine spurred immune responses in a small trial of humans

Credit: Science Photo Library/Getty Images

An experimental vaccine being developed by pharmaceutical giant Pfizer and German firm BioNTech appears safe and produced encouraging immune responses in a small trial of healthy volunteers, according to…

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Emily Mullin

Emily Mullin

Former staff writer at Medium, where I covered biotech, genetics, and Covid-19 for OneZero, Future Human, Elemental, and the Coronavirus Blog.