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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The risk of long COVID was two to three times higher after the initial infection (14.8%) than after first (5.8%) or second (5.3%) reinfections.
The 10 new flu-related deaths in children bring the season's total to 226, the most since 2009-10.
Health disparities are shortening lives by decades in high- and low-income countries alike, the World Health Organization says.
The combined vaccine elicited higher immune response against SARS-CoV-2.
Overweight and obesity were significantly associated with memory issues and persistent headache, among other conditions.
Overall, 57% of participants had evidence on PET/MRI of inflammation affecting the heart or lungs.
Reversing previous trends, trust in government vaccine information declined some in Democrats, but rose a bit among Republicans.
Long-COVID patients with dizziness on standing, mood changes, and musculoskeletal pain were the most likely to report unfavorable health.
The WHO's advisory group will also weigh in on COVID vaccine composition this month.
Of 4.4 million COVID-19 patients, 1.4% had new-onset diabetes, with 0.8% being type 2 and 0.02% type 1.
