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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South African researchers report waning monovalent (single-strain) COVID-19 vaccine booster effectiveness against the Omicron subvariants, with estimated efficacy falling to 50% against the BA.1/BA.2 and 47% against BA.4/BA.5 as early as 3 or 4 months after vaccination.
Older COVID-19 survivors may be at a 69% higher risk of developing Alzheimer's within 1 year.
In US news, practitioners describe issues with vaccination due to multiple vaccine products and confusing immunization schedules.
SARS-CoV-2 antibodies fell over time after vaccination or COVID-19 infection but were restored with booster doses in West Virginia nursing home residents and staff, and antibody levels were significantly lower during the Delta than the Omicron variant surges in those with breakthrough infections, finds a study published yesterday in JAMA Network Open.
The World Health Organization (WHO) today announced the release of the first global framework on the responsible use of life sciences, which addresses the accidental or deliberate misuse of biologic and other life sciences, including dual-use research.
A second study shows a 41% reduction in long COVID among vaccinated people.
Vaccinated people had 8 of the 10 most common long-COVID symptoms 50% to 80% less often.
US COVID cases are down 19%, hospitalizations have declined 10%, and deaths are down 28%
A systematic review and meta-analysis today in Vaccine finds no link between COVID-19 vaccines and infertility in men or women.
Researchers at a Rome hospital analyzed 29 studies from China, Israel, Italy, Russia, Turkey, Canada, and the United States until Jun 8, 2022. Of the studies, 13.8% were deemed of poor quality, 58.6% were of moderate quality, and 27.6% were of good quality.
Of 219 unvaccinated long-COVID patients, 64% had a persistently impaired sense of smell.
