Kristen Cardillo, BD’s vice president of global communication, said the company was aware of the situation in Nevada and was “conducting thorough investigations.” She added that “based on the information in the directive and the total tests performed, we believe the rate of reported false positives is well within what we would expect for the BD Veritor System.”
Representatives for the Department of Health and Human Services did not respond to requests for comment.
Concerns have also been raised about the ability of antigen tests to accurately pinpoint infections, especially if administered during a period when a person harbors low levels of the coronavirus. BD’s test is advertised as having a false negative rate of 16 percent. Quidel’s is just above 3 percent. The directive from Nevada’s department of health did not report whether the negative antigen test results from nursing homes — there were nearly 3,700 such results —