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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Efforts are under way to overhaul the nation's COVID-19 strategy.
Severe COVID in moms was linked to pre-labor C-section, preterm birth, stillborn birth, and infant intensive care.
Fully 40% of patients who rely on prescription drugs suspect that supply chain disruptions will put them at risk.
A seroepidemiologic survey of 7,010 people in Gauteng province, South Africa, before the SARS-CoV-2 Omicron variant outcompeted the Delta strain shows that 80% of those older than 50 years had antibodies against the virus, with most seropositivity likely generated by previous infection.
The risk is 1 case in 1 million vaccinated, compared with 200 in 1 million unvaccinated adolescents.
The WHO says the more transmissible BA.2 Omicron subvariant is now dominant in 18 nations.
Two independent UK studies published yesterday in PLOS Medicine find only a very slight risk of blood clots in the brain after receipt of the AstraZeneca/Oxford COVID-19 vaccine and none after the Pfizer/BioNTech vaccine. Both studies were led by University of Edinburgh researchers.
Three Moderna doses were more effective against Delta than against Omicron, and protection waned over time, but they were highly protective against hospitalization with either subtype.
In US news, the FDA is considering whether a fourth mRNA COVID-19 vaccine dose will be necessary.
Infection with the SARS-CoV-2 Omicron BA.2 subvariant shortly after an initial infection with the Omicron BA.1 subvariant—the original Omicron strain—is rare, occurring mostly in young, unvaccinated people with mild symptoms, according to a non–peer-reviewed Danish study.
