Best results from home Covid-19 tests come several days after symptoms --study

Why you should wait a few days before taking an at-home COVID test if you’re sick The best time to take an at-home COVID-19 test may be on the fourth day of having symptoms, according to a new study. ABC News ABC News

The best time to take an at-home COVID-19 test may be on the fourth day of having symptoms, according to a study published in the journal Clinical Infectious Diseases.

Researchers looked at nearly 350 people and found that viral load peaked a few days after symptoms started.

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