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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Only heart disease and cancer killed more Americans than COVID-19, and COVID deaths increased by 1% in 2021 over 2020.
"Policy makers should be largely reassured by people's aggregate capacity to cope."
Extending the time between COVID-19 vaccine doses to over 10 weeks was tied to 11 times higher antibody levels.
A third mRNA dose boosts the immune system to better fight Omicron infections, 2 studies find.
Adults hospitalized early in the pandemic with COVID-19 were at more than triple the risk of death than those with influenza, despite the flu patients being older and having more chronic illnesses, according to new data from Spain to be presented at this year's European Congress of Clinical Microbiology & Infectious Diseases (ECCMID), which starts tomorrow.
This school year 35,000 more US kids were not protected against common diseases.
Over 73% of participants were at elevated risk of infection owing to risk factors.
A 31-year-old woman from Spain contracted COVID-19 twice within 3 weeks, despite being fully vaccinated and recently receiving a booster shot, according to a case report that will be presented at the upcoming European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) meeting. The case provides evidence that the Omicron strain is able to evade previous immunity.
The data reveal about 6 instances per 100,000 Pfizer vaccinees, compared with 18 for Moderna.
Though at-risk people are strong candidates, "For every COVID-19 vaccine dose recommended, uptake declines," a CDC official says.
