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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Thirty-seven million Americans planned to travel 50 or more miles over the weekend, up 14 million from last year.
IQVIA's 5-year forecast estimates the pandemic's effects on the global pharmaceutical market.
COVID-19 infection was 94% less likely in people previously infected than in those never infected, according to a research letter late last week in JAMA Internal Medicine. However, the researchers note, their study concluded before COVID-19 variants became dominant.
"Our study does not necessarily mean that all mass events are safe."
The drop in cases has been slow in the Tokyo area, which will host the Olympics in late July.
In a new poll, 62% of US adults saying they've gotten at least one dose, up from 56% in April.
Hospitalization, hypoxemia, pneumonia, and other complications were found more in children who contracted COVID-19 than in those who had seasonal flu, according to a study today in Pediatrics.
In the US, overdose-related cardiac deaths rose 42%, and in Ontario, opioid deaths climbed 135%.
As vaccinations increase, COVID-19 cases continue to drop across the country.
Also, Japanese officials are mulling extending the state of emergency for much of the country.
