Bloomberg Law
Nov. 4, 2020, 5:55 PM

Caution Arises on Rapid Covid Tests in Asymptomatic People (2)

Emma Court
Emma Court
Bloomberg News

One of the first states to receive rapid, low-cost coronavirus tests from the U.S. government is cautioning against their use in asymptomatic people, a group that were hoped to benefit most from the technology.

Antigen tests like one from Abbott Laboratories that look for telltale viral proteins may miss some infections that can be picked up by costlier gold-standard assays, and can incorrectly return positive results. The rapid tests aren’t recommended for people without symptoms who haven’t been exposed to a Covid-19 patient, and those who undergo one should be informed of the limitations, the Louisiana Department of Health said ...

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