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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Prophylactic hydroxychloroquine treatment was not associated with any risk difference for COVID-19 infection, according to an International Journal of Infectious Diseases study yesterday.
Risks were lowest for patients in clinics with more isolation rooms and mask policies for all patients.
WHO advisors have approved emergency listing for China's two-dose vaccine.
About 90% of cancer patients had adequate coronavirus antibodies after vaccination.
Thirty-seven million Americans planned to travel 50 or more miles over the weekend, up 14 million from last year.
IQVIA's 5-year forecast estimates the pandemic's effects on the global pharmaceutical market.
COVID-19 infection was 94% less likely in people previously infected than in those never infected, according to a research letter late last week in JAMA Internal Medicine. However, the researchers note, their study concluded before COVID-19 variants became dominant.
"Our study does not necessarily mean that all mass events are safe."
The drop in cases has been slow in the Tokyo area, which will host the Olympics in late July.
In a new poll, 62% of US adults saying they've gotten at least one dose, up from 56% in April.
