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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Amid rising cases, eased restrictions come with intensified efforts to vaccinate seniors.
A total of 22,006 adverse outcomes occurred, mostly in patients who took metformin before COVID-19 diagnosis (37.1%), while 19.5% each had used insulin or DPP-4is.
Swedish study shows ICU patients most likely to experience long COVID.
The bivalent booster marshaled a robust antibody response against the Omicron BA.4/BA.5 subvariants but not against the more recently emerged variants.
Minorities were underrepresented in both COVID-19 clinical treatment trials and in disease prevention trials.
Rebound was uncommon after use of the oral antivirals Paxlovid and molnupiravir to lower the risk of severe outcomes.
Protection was 35% among those vaccinated before contracting COVID-19.
Amid rising flu activity causing decade-high hospitalization rates, COVID-19 markers are also climbing.
Symptoms overall declined in a year, but some had symptoms for the first time at 6 and 12 months.
Nocebo is a phenomenon in which people experience negative effects when they have negative views or expectations.