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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A study in healthcare workers underscores the need for careful screening.
New testing studies reveal more about spread in some US communities, and overseas, cases rose steadily in many countries, especially Russia and Japan.
Yesterday was the deadliest day yet in the US outbreak, with 4,951 new deaths.
As global deaths approach 150,000, the WHO says it will issue guidance over the weekend on serologic testing.
President Trump is poised to announce plans to reopen the economy.
Japan and Indonesia are grappled with rising case numbers.
The data suggest that identifying another pathogen might not rule out COVID-19.
Scientists are sifting through which of dozens of serologic tests are going to be useful for assessing how many people have been exposed. But only one test has been reviewed by the FDA.
The US announcement of the withdrawal of WHO funding brings widespread criticism.
From 2% to 5% of infected healthcare workers required intensive care.