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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New UK estimations cast doubt on whether Omicron cases are less severe than Delta variant infections.
Test to Stay involves testing close contacts of a COVID-19 student at least twice in the week after exposure.
Early treatment with molnupiravir nearly halved the risk of hospitalization and death.
COVID-19 breakthrough infections in fully vaccinated US adults substantially boosted humoral immunity and demonstrated cross-neutralization against the Delta (B1617.2) variant, despite mostly mild illness, finds a small study yesterday in JAMA.
Humoral immunity involves antibodies secreted by B cells circulating in bodily fluids.
ACIP votes unanimously that mRNA vaccines are preferred over the Johnson & Johnson vaccine for US adults.
The vaccine can be stored for up to 6 months at refrigerator temperatures.
Of Denmark's Omicron patients, 75% were fully vaccinated, and 9% had received a booster shot.
Only 20% and 24% of Pfizer/BioNTech COVID-19 vaccine recipients in a Chinese study had detectable neutralizing antibodies against two isolates of the highly transmissible Omicron (B.1.1.529) variant, while recipients of the Coronavac vaccine had no antibodies against either isolate.
The virus multiplies 70 times faster in the bronchi than Delta and the original SARS-CoV-2, researchers report.
About half of the deaths have occurred in the past year, when vaccines have been available.
