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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For the first time, children account for more than a quarter of new weekly COVID-19 cases.
Global COVID-19 cases and deaths remain at a high plateau, with the Americas as a hot spot region.
The variant spread faster and more efficiently than previous strains, even as adult immunizations rose.
The Pfizer/BioNTech and Moderna mRNA-based COVID-19 vaccines have a collective 91% vaccine efficacy against SARS-CoV-2 infection in Americans 16 years and older, according to a test-negative study published in the Journal of Infectious Diseases today.
About 100,000 Americans are currently hospitalized because of COVID-19.
As global cases top 220 million, surges continue in Southeast Asia and Oceania.
Study reveals a small link between school closures and worse mental health, particularly in older and minority students.
Results from an observational cohort study of pregnant women indicated a 96% vaccine effectiveness (VE) against COVID-19 infection and an 89% VE against hospitalization for the Pfizer/BioNTech vaccine in pregnant women, according to a study in Nature Medicine today.
The US surge has driven child COVID-19 hospitalization rates to pandemic highs.
None of the specified outcomes in 6.2 million vaccine recipients met the criteria for a safety signal.
