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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Global cases reach 1,579,690, including 94,567 deaths.
Homemade masks may capture respiratory droplets, but no evidence shows they filter out aerosols, a new report says.
Washington, DC, Baltimore, and Philadelphia will likely be the next US hot spots, officials say.
In a third study, temperature, humidity, and UV radiation had no effect on disease spread.
"Please quarantine politicizing COVID," Tedros says.
Data are sparse on warmer temps and less disease, and some nations with "summer" climates are seeing rapid spread.
Also, a study highlights a person who had only mild symptoms but infected at least 10 people.
"The ICU community must brace itself for this potentially overwhelming surge of patients."
Also, African-Americans appear to be disproportionally affected, and a poll reflects high public concern.
Global deaths today pass 80,000, reaching 81,200, just 1 day after exceeding 70,000.
