At-home tests, wastewater: COVID-19 testing after the public health emergency ends

When the public health emergency ends this spring, COVID-19 testing is going to move further in two separate directions: rapid, at-home tests at the individual level, and wastewater testing at the community level. That was my main takeaway from an online event last Tuesday, hosted by Arizona State University and the State and Territory Alliance for Testing.

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The CDC’s isolation guidance is not based on data

Remember how, in December, the CDC changed its recommendations for people who’d tested positive for COVID-19 to isolating for only five days instead of ten? And a bunch of experts were like, “Wait a second, I’m not sure if that’s sound science?” Well, studies since this guidance was changed have shown that, actually, a lot of people with COVID-19 are still contagious after five days. Yet the CDC has not revised its guidance at all.

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