CDC Says Virus Antibody Tests Can Be Inaccurate Nearly Half The Time

The video discusses serological tests, which help determine past COVID-19 infections. However, these tests can have significant margins of error, leading to false positives, especially in areas with low antibody prevalence. The CDC advises against using test results for decisions about returning to work or determining immunity status. Instead, they recommend using tests with high specificity to minimize false positives.

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