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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Survey finds COVID tracking maps don't change Americans' perceived individual risk.
Vaccine risk of anaphylaxis is 11.1 per 1 million doses administered, the CDC says.
Only 16% of those treated developed severe disease, compared with 31% in the placebo group.
In Europe's growing third surge, more nations report single-day highs, including Portugal and the Czech Republic.
In a US study published today in Science, researchers detected immune memory to SARS-CoV-2 across all immune cell types studied for as long as 8 months after patients became ill with COVID-19.
Antibody testing shows that 14% of Americans had been infected by Nov 15, and 35% of deaths were missed.
Georgia is the 5th state to report a B117 variant case, and San Diego County confirms 28 more variant cases.
The agency says it was disappointed with China over visa problems for the international joint mission and that the B117 variant has been found in 40 nations.
A rapid review and meta-analysis of studies involving more than 35,000 COVID-19 patients has found that three-quarters received antibiotics even though fewer than 10% had a bacterial co-infection, Canadian researchers reported today in Clinical Microbiology and Infection.
Also, Florida and New York confirm their first cases involving the UK variant.
