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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Nine percent of people who described themselves as permanently sick or disabled had long COVID.
Lower risks for vaccinated participants were also seen when restricting the analyses to the pre-Omicron and Omicron periods, sex, age, or previous infection.
From 2021 to 2023, 23% of participants developed long-COVID symptoms, with 56% of those infected in 2021 reporting symptoms for 2 years.
German researchers say the answer may be in virus-reactive memory T cells, which are triggered by COVID infection.
If the pandemic hadn't occurred, over half of the person-years of life lost would likely have been lived without disability, the authors say.
No changes were found in physical health and well-being scores among kindergartners before and during the pandemic.
But they had lower rates of critical care admission.
Face-down positioning improved survival without intubation, cut the odds of intubation and in-hospital death, and lengthened the time from enrollment to intubation.
Sixteen more pediatric flu deaths were reported, as hospitalizations and outpatient visits remain high.
The costs of respiratory testing increased over time, from a low of $21 million in 2016 to a high of $111 million in 2022.
