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Coronavirus Update

Coronavirus Update: Antibody Testing May Not Deliver Accurate Results

SAN FRANCISCO (CBS SF) — The coronavirus antibody test could be critical in reopening the country and economy, but many experts say these tests are often inaccurate. 

The test is center to what researchers are calling “herd immunity” and supposed to give an indication if a person has been exposed to the disease and has antibodies circulating in their blood targeting the virus. 

However, the growing concern is the accuracy of these tests, especially those from companies that don’t have the proven experience or quality control. The Food and Drug Administration has allowed about 90 companies to sell their antibody tests. 

“It’s going to be a mess and confusing until we figure out which of these tests are performing at a high level,” said UC Berekeley Epidemiologist Art Reingold. 

The FDA loosened its standards in mid-March as the coronavirus outbreak grew, allowing companies to sell without submitting any evidence that they actually work.

Experts say the danger of inaccurate tests is they can end up putting people at risk of contracting the disease and transmitting it to others.

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