LOS ANGELES (CNS) - The Los Angeles County Department of Health Services has announced that it will discontinue the use of Curative COVID-19 PCR tests at pop-up testing sites after a significant number of false negatives were reported.
The change, which will happen this week, comes after a review of the data that prompted the recent U.S. Food and Drug Administration alert regarding the possibility of false negative results.
Curative provided a limited number of tests at county-supported pop-up testing sites beginning in mid-December. Between Dec. 13 and Jan. 2, a total of 24,241 Curative tests were administered, making up about 10% of all COVID-19 tests at county-supported test sites during that time.
The Curative tests will be replaced with Fulgent Genetics tests.
All COVID-19 tests have a risk of false negative results, DHS said. That means a person may test negative despite having the disease because the results are sensitive to how well the sample was collected and the concentration of viral RNA in it.
There is no reliable way to detect early infection, meaning that infection often spreads before symptoms have time to develop. Nevertheless, PCR tests -- including the Curative test -- remain better at detecting disease than some other tests, including rapid tests.
DHS reminds people to follow public health guidance to protect yourself and others by staying home whenever possible, wearing a face covering over the nose and mouth, avoiding gatherings and frequent hand washing.
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