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 algorithm was roughly 3% more accurate than the relevant diagnostic code and less biased toward certain populations, the authors say.
People reporting long-COVID symptoms had elevated levels of cytokines, which are proteins the body makes to fight inflammation.
The adverse event in the earlier clinical trial involved amyotrophic lateral sclerosis, which wasn't related to vaccination.
The antiviral drug was also found to lead to a reduction in the use of healthcare resources.
Among 12- to 17-year-olds, 90% of those with MIS-C were unvaccinated.
Meanwhile, COVID activity remained low amid a shift in variant proportions and RSV levels rose in 3 US regions.
There was a modest increase in parent-reported infant self-regulatory behavior—a generally positive finding—at 6 months.
Over half of participants (57%) reported a history of SARS-CoV-2 infection.
Nasal autoantibodies likely latch on to viral molecules, preventing excessive inflammation.
Overall, the risk of developing 28 out of 36 long-COVID symptoms lessened when vaccines were effective.
