National numbers, June 4

June 4, 2023.Reading time 5 minutes.

The COVID-19 plateau of the last few weeks continues at the national level, though experts are concerned that a summer surge could occur in parts of the country. Wastewater surveillance and testing data are indicating potential increases in the New York City region.

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Answering reader questions about wastewater data, rapid tests, Paxlovid

May 28, 2023.Reading time 6 minutes.

Answering reader questions about interpreting wastewater surveillance data, rapid test accuracy, and Paxlovid access.

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The federal public health emergency ends next week: What you should know

May 7, 2023.Reading time 18 minutes.

We’re now less than one week out from May 11, when the federal public health emergency (or PHE) for COVID-19 will end. While this change doesn’t actually signify that COVID-19 is no longer worth worrying about, it marks a major shift in how U.S. governments will respond to the ongoing pandemic, including how the disease is tracked and what public services are available. Here’s all the key info you should know about this, in one place.

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National numbers, April 30

April 30, 2023.Reading time 5 minutes.

Major COVID-19 metrics continue to suggest an ongoing (though slight) decline in the virus’ spread nationally, despite the rise of newer and more contagious variants. The moderate plateau persists.

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

March 19, 2023.Reading time 11 minutes.

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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National numbers, March 12

March 12, 2023.Reading time 6 minutes.

Following the same pattern we’ve seen for the last few weeks, COVID-19 spread is still on the decline nationally. Official case counts, hospital admissions, and wastewater surveillance data all continue to point in this direction.

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Sources and updates, March 5

March 5, 2023.Reading time 4 minutes.

Sources and updates for the week of March 5 include a joint COVID/flu rapid test, new Long COVID studies, RSV vaccines, and more.

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Sources and updates, February 19

February 19, 2023.Reading time 3 minutes.

Sources and updates for the week of February 19 include test positivity, healthcare data sharing, and the value of vaccination.

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Sources and updates, January 22

January 22, 2023.Reading time 6 minutes.

Sources and updates for the week of January 22 include respiratory virus hospitalizations, new excess death estimates, wastewater testing on airplanes, and more.

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China’s not the only country with unreliable COVID-19 data

January 15, 2023.Reading time 4 minutes.

China is currently facing a massive COVID-19 surge, after ending many of its stringent “zero COVID” policies in December. But it’s not the only country that has problems with data accuracy right now.

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