COVID-19: Frequently Asked Questions

Below are some of the most frequently asked questions CMA has received during the COVID-19 outbreak. By default, the most recent answers will appear up top. You can also filter the FAQ by category. We will update this resource regularly.

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Are serology tests available to test whether individuals have already been infected with COVID-19?

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The market is flooded with commercially available so called “rapid serology tests” that resemble home pregnancy tests. The technology is a lateral flow immunoassay performed on a finger-stick blood sample. They are of uncertain reliability and not recommended for individual use since the results – whether positive or negative – are inconclusive. Since the FDA did not require Emergency Use Authorization, many of these disposable tests have not been fully validated and the performance characteristics are not well established. The California Testing Task Force recently issued an update on the use of serology tests to test for COVID-19 antibodies.

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