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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Also, Pfizer expect its mRNA vaccine to be approved soon for emergency use in children ages 12 to 15.
More states announce lockdowns as the country's daily cases top 300,000 for 2 weeks straight.
In 2020, in-hospital mortality dropped from 19.1% in March and April to 10.8% in September through November in COVID-19 patients in the United States, according to a study yesterday in JAMA Network Open.
The researchers accounted for potential confounding factors like crowded living conditions and poverty measures.
A WHO official says COVAX has so far distributed about 20 million vaccine doses, prioritizing health workers.
The study includes more than 17 million adults in England.
In northern California, stay-at-home orders were linked to less exercise but not less substance use.
The first dose of a two-dose COVID-19 vaccine regimen confers a robust immune response against the B117 and B1351 variants in people previously infected with the coronavirus—but not in those in those never infected, according to a new study led by researchers from Imperial College London, Queen Mary University of London, and University College London.
Assistance continues to arrive, with the first US aid flight landing today.
