The dermatophilosis rash has caused only mild cases in men who have sex with men in Europe.
Pediatric flu deaths so far this season now total 149, most of them in unvaccinated children.
Cambodia has reported 36 human H5 infections since 2023.
Researchers estimate the extrapolated annual cost of treating norovirus infections in Americans aged 65 and older is $884 million.
Of 266 pediatric flu deaths, 90% were in kids who were eligible but not fully immunized, up from 82% during the previous season.
Despite being the leading cause of acute gastroenteritis worldwide, there are currently no vaccines for norovirus.
Health departments in 14 states reported 91 norovirus outbreaks in the first week of December.
Visitors are at risk of ingesting water that has been contaminated with feces at splash pads.
Researchers estimate vaccines for enteric pathogens could prevent up to 8 to 12 courses of antibiotics per 100 vaccinated children per year in low-resource countries.
The researchers found foodborne pathogens that had formed colonies of pathogens in a sticky biofilm in three common types of plastic in raw and treated wastewater.
