The 10 new flu-related deaths in children bring the season's total to 226, the most since 2009-10.
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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Of 556 passengers originating from China, 23% tested positive for COVID-19, including 42% on one flight.
Many long-COVID patients have reported facing skepticism when seeking relief at their doctor's office.
Paying people to take a first COVID-19 vaccine dose didn't lower the likelihood of seeking the second or third dose or of other positive health behaviors.
The study assessed stool samples to demonstrate higher SARS-CoV-2 antibodies in infants breastfeeding from vaccinated moms.
The WHO included a caveat that the growth estimate is based on data from just one country, the United States.
Listening to music was tied to significantly lower stress levels and improved mood among Austrian and Italian adults during lockdowns early in the pandemic.
A meta-analysis provides further evidence that antibiotic use far exceeded the prevalence of bacterial co-infection in COVID-19 patients.
New data suggest that severe pneumonia in mechanically ventilated COVID-19 patients is similar to other types of pneumonia, but COVID patients require mechanical ventilation longer.
In eight countries, vaccine hesitancy increased, and nearly 1 in 8 of all respondents, particularly those aged 18 to 29 years, said they were hesitant to receive a booster dose.
In other developments, the WHO has more talks scheduled with China and will soon update its variant assessments.
