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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Gene sequences from Snohomish County samples suggest there may be a few hundred undetected cases.
Countries reporting their first cases include the Czech Republic, the Dominican Republic, Ireland, Scotland, and Luxembourg.
Washington state reports the nation's first COVID-19 death, and 2 nursing home cases.
The new cases are in California, Oregon, and Washington state.
As concerns deepen about Iran, the WHO is in the process of sending a mission to the country, with UAE help.
Four health workers who met the criteria for hospital release had positive PCR results 5 to 13 days later.
The CDC has broadened how it determines persons under investigation.
Outside of China, hot spots include South Korea, Italy, and Iran.
In addition, Vice President Pence appoints AIDS expert Deborah Birx, MD, to coordinate the federal response.
Pence, who will lead a response task force, says he will reach out to governors.
