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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Study shows that that the median interval between two infections was 229 days, and reinfection counts were higher during the Omicron era.
The COVID-19 emergency committee will meet on May 4 to assess if the situation still warrants a public health emergency of international concern.
Emergency department visits were highest among patients whose doctors offered only in-person care and lowest among those of physicians who provided 81% to 99% of their care remotely.
Despite rising proportions of two new subvariants, US COVID markers continue to fall.
Vaccine effectiveness against mechanical ventilation and in-hospital death was 62% among all adults and 69% among those aged 65 years and older.
The risk of symptomatic COVID-19 was 14.7% in the BCG group and 12.3% in the placebo group during the first 6 months of the trial.
The initiative in Texas was associated with reduced staff burnout during COVID-19 without increased healthcare-associated infections.
The head of the WHO said 1 in 10 people who contract COVID experience long COVID, and he urged countries to plan for longer-term care.
Brains may have compensated for their deficits by reorganizing networks to maintain performance.
Data show that regular exercise was linked to COVID-19 infection early in the pandemic but also associated with a significantly lower risk of developing severe symptoms.
