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About 4,800 lives could have been saved during the winter 2021-22 Omicron wave if just 5% of COVID-19 patients had taken the antiviral drug, modelers estimate.
Of the 400 pets tested, 15% of dogs and 5% of cats were colonized with multidrug-resistant microbes.
Officials are investigating a cluster of severe influenza B infections in kids and teens, some of whom had complications.
Scientists who examined the genetic sequences say they bolster evidence of a spillover from a raccoon dog or other mammal sold at the market.
Black, Latino, and Native American children account for 65% of those who have lost a primary caregiver to COVID-19.
Low- and middle-income countries continue to import significant amounts of the last-resort antibiotic for growth promotion and disease prevention in food-producing animals.
In other avian flu developments, British officials report H5N1 detections in captive South America bush dogs and the US confirms more infections in poultry and mammals.
The pregnancy-related death rate shot up faster in 2021 than in 2020, nearly doubling from rates in 2019 and hitting racial minority women hard.
Six children in the DR Congo and 3 in Burundi have polio cases linked to the novel oral polio vaccine type 2.
Local scientists and their colleagues from the CDC detail 2 cases of locally acquired dengue in November 2022 in Maricopa County.
Injectable methotrexate, cisplatin, fluorouracil, and Pluvicto are in shortage, with no definitive end in sight.
Paxlovid's estimated effectiveness in preventing hospitalization or death was 53.6%, rising to 89.6% when it was taken on the day of the COVID-19 test.
The WHO's new variant tracking system better distinguishes Omicron sublineages and outlines when new SARS-CoV-2 changes pose major public health threats.
Fourth-dose vaccine effectiveness among patients aged 65 years or older was 66% at 7 to 59 days and 57% at a median of 88 days.
The Americas reported the vast majority of new cases over the past 3 weeks—408 of 442.
The test order rate per 1,000 patient-days fell from 126.5 in the pre-intervention period to 90.6 in the intervention period, a 28% reduction.
Researchers found H5N1 lineages unique to New England and novel amino acid changes, some linked to mammal adaptation.
Negative infant mood and behavior has been associated with behavioral, cognitive, and developmental problems across the lifespan.
Of the 85 videos analyzed, only 33% covered all content items that were highlighted in clinical practice guidelines.
"Currently available data show that vaccination remains the best defense against severe disease, hospitalization, and death caused by COVID-19 across all age groups."
