FDA Authorizes 2 More COVID 19 Antibody Tests
BY ISABEL VAN BRUGEN
April 16, 2020 Updated: April 16, 2020 Print
"The U.S. Food and Drug Administration (FDA) on April 14 authorized two more CCP virus antibody tests for emergency use.
Unlike tests to diagnose diseases, antibody tests show who has been infected and recovered. However, it is still unclear whether the presence of antibodies guarantees long-term immunity to the CCP (Chinese Communist Party) virus, commonly known as the novel coronavirus.
The body makes antibodies in response to many illnesses and infections, including other coronaviruses. New blood tests are in development to identify antibodies unique to SARS-CoV-2, the official name of the virus.
The tests, known as serology tests, look for two kinds of antibodies: immunoglobulin M (IgM) and G (IgG). The body quickly produces IgM antibodies for its initial attack against infections. It makes IgG antibodies more slowly and retains them longer; IgG antibodies suggest possible immunity."
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