What You Need to Know About Antibody Tests

They might not be a true indicator of immunity

A healthcare worker takes a sample from a woman at a New York State Department of Health Covid-19 antibody testing center.

You’ve probably been hearing a lot about antibodies. These specialized proteins are made by the immune system when the body is infected with a new pathogen. Antibody testing for Covid-19 can give researchers a better picture of how many people have been exposed to the novel coronavirus and how it has spread.

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Emily Mullin

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