Sewer sampling, the authors say, could be expanded to track other infectious diseases such as H5N1 avian flu or mpox or to detect unexpected pathogens.
Plaque growth can lead to a higher risk of heart attack, stroke, and other life-threatening cardiovascular events for as long as 1 year.
Post-exertional malaise, or exercise intolerance, was seen in 36% of those with long COVID.
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Changed diagnostic criteria lead to 13,332 new cases, bringing China's total to near 60,000.
Also, researchers report finding the virus in saliva, but not in a small group of babies born to infected moms.
One of the reagents used in the tests wasn't performing consistently.
Contrary to earlier official reports, more than 500 healthcare workers were infected by mid-January.
A WHO advance team landed in China today for a joint international mission.
Health officials are investigating a family cluster at a French ski resort, Singapore shares details on local transmission, and the CDC releases guidance for businesses.
Also, new data suggest 82% of cases are mild, Chinese clinicians detail hospitalization patterns, and the US announces support.
Health officials navigate tough issues when deciding how to manage potential exposure on cruise ships.
In other developments, an antiviral trial launched in China today, and 10 more cases were reported on a cruise ship quarantined in Japan.
The WHO releases a $675 million response strategy to support activities over the next 3 months.
