Though they’re not perfect, at-home tests will detect infections about 80% of the time, according to the U.S. Food and Drug Administration. So is there any reason to get a PCR test anymore? Judging by ...

Ducharme is a contributor to TIME. Ducharme is a contributor to TIME. These days, many people use at-home COVID-19 tests when they feel ill, rather than going out to get tested by a professional.

Nathaniel Hafer receives funding from the National Institutes of Health and the National Science Foundation. Anuradha Rao receives funding from the National Institute of Biomedical Imaging and ...