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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However, COVID-19 deaths—known to be a lagging indicator—continue to rise, the WHO says.
"We are encouraged by current trends, but we are not there yet."
A prospective cohort study of US children diagnosed as having COVID-19 reveals that certain demographic characteristics, preexisting chronic diseases, and initial vital sign and lab values may portend disease severity, a finding that the researchers said could help improve outcomes.
COVID-19 raises the risk of serious complications or death 40%, new data show.
Also, 4.2 million US kids' cases were reported in January, and global developments include hamster infections and Olympics news.
A small Massachusetts General Hospital–based study in JAMA shows more lasting antibodies in infants after COVID-19 vaccination during pregnancy, compared with infants whose mothers had natural COVID-19 infections during pregnancy but were not vaccinated.
Hong Kong, which has taken a more aggressive "zero COVID" approach, reports a record 614 daily cases.
Nonhospitalized COVID-19 patients at highest risk for severe outcomes are often the least likely to receive monoclonal antibodies (mAbs), finds a study of more than 1.9 million Medicare beneficiaries published late last week in JAMA.
So far, 37 states are part of the SARS-CoV-2 wastewater surveillance system.
The first US population-based characterization of the conditions has implications for many who have recovered.
