COVID-19 Serology Surveillance

Posted by on March 11, 2021 12:00 am
Categories: US National Stories

CDC is working with state, local, territorial, academic, and commercial partners to better understand COVID-19 in the United States. Serology tests look for antibodies in blood. If antibodies are found, that means there has been a previous infection. Antibodies are proteins that can fight off infections.

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