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BA.4.6 levels are highest the Midwest region that includes Iowa, Kansas, Missouri, and Nebraska.
The authors say the findings underscore maxminizing vaccine coverage and consideration of boosters for teens, if research supports it.
In the first known estimate of the SARS-CoV spillover risk from bats to people, researchers who studied bat populations in South East Asia and interactions with humans estimate that about 66,280 people a year are infected each year. The team, based at EcoHealth Alliance, published their findings today in Nature Communications.
The authors said high vaccination levels, indoor masking, stepped-up surveillance, and enhanced air filtration kept classroom transmission at a negligible level.
In other new developments, a preprint study found a low percentage of breakthrough infections in vaccinated people, and Israel reported an apparent infection from healthcare exposure.
A scientific literature review for empiric examples of impacts from 10 climate hazards influenced by greenhouse gas emissions found that more than 58% of human diseases caused by pathogens—such as dengue, pneumonia, and Zika virus—are made worse by the climate-related hazards. A team based at the University of Hawaii at Manoa reported the findings today in Nature Climate Change.
New studies continue to shed new light on the long-term impacts of COVID, including the development of cardiovasular and kidney complications in kids.
Meanwhile, the CDC published a clinical and epidemiological snapshot of US cases, revealing that 42% didn't report prodrome symptoms.
With COVID activity still high in many counties, Paxlovid prescribing is rising as another study shed light on rebound prevalence.
Polio in New York state is circulating more widely than thought, with wastewater sampling revealing traces of the virus in a second county, the New York Department of Health (NYDH) announced yesterday.
Our weekly wrap-up of antimicrobial stewardship & antimicrobial resistance scans
EMS workers are scrambling to adapt treatment protocols and conduct training on their use.
The announcement paves the way for increased funds for tests, vaccines, and treatments.
Only one-fifth say they plan to have their preschooler vaccinated within 3 months.
Three quarters of a group of nonhospitalized men and women newly diagnosed as having COVID-19 continued to have positive rapid antigen test (RAT) results—and over one-third still had viable virus on culture—6 days later, according to a study led by Brigham and Women's researchers.
A study of data from a large pediatric primary care network found a quick decline in telehealth antibiotic prescribing following a peak during the first 3 months of the COVID-19 pandemic, researchers reported today in Pediatrics.
Also, the Biden administration releases 2 new reports on long COVID.
Infection rate fell from 20% to 7% after 4 doses in one study, and 3 doses increased protection by a third in 2 other studies.
Sexual contact is the likely transmission event for 92% of patients, and 98% of cases involve men who have sex with men.
Dynamic restrictions on nonessential foreign travel into Canada helped slow COVID-19 variant introductions in early 2020 and 2021, allowing the government more time to scale up vaccination, testing, and contact tracing programs, according to a study published yesterday in eLife.
