US scientists develop crucial blood test for coronavirus antibodies

The simple test can show how many people have really been infected.

U.S. researchers not only developed a simple antibody test for the new coronavirus (SARS-CoV-2), they shared the instructions on how to make the test online, so that labs around the world could replicate it.

Labs could easily scale the test “to screen a few thousand people a day,” for antibodies to the new coronavirus, study senior author Florian Krammer, a virologist at the Icahn School of Medicine at Mount Sinai, told Science magazine.

The study has been posted on the preprint severe medRxiv, which means it has not yet been published in a peer-reviewed journal, and as such, it’s too early to use in clinical practice with patients.

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