Seeing that bright red line appear on an at-home Covid-19 test can feel inevitable during a surge like the one under way now. What can be surprising is how many days later that line keeps popping up.
The Centers for Disease Control and Prevention recommends five days from first symptoms or diagnosis as a minimum isolation period before infected people can return to public activities while maintaining certain precautions. Yet some people continue to test positive for the Covid-19 virus on rapid tests beyond those five days. Some even test positive after 10 days and after symptoms have resolved.
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