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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One study finds 3-dose protection against severe BA.1 and BA.2 disease remaining above 80%.
Budget documents indicate the Biden administration could run out of COVID vaccines by Sep 1.
Shanghai says its outbreak is under control, but Beijing tightens measures in a hot spot district.
Over 40% of 79 stool samples from COVID-19 patients admitted to one of four hospitals in Spain contained SARS-CoV-2 RNA but no live virus, suggesting a negligible ability to replicate in this medium and a very low likelihood of fecal-oral viral transmission, finds a study published yesterday in Scientific Reports.
Data suggest the real COVID-19 number is nearly 3 times higher than officially reported.
Neither vaccine requires extreme cold chain storage, which makes them appealing for low-resource areas.
A study of more than 160,000 COVID-19 tests of South African healthcare workers concludes that two doses of the Johnson & Johnson (J&J) and Pfizer/BioNTech vaccines are about 71% effective against hospitalization caused by Omicron 1 to 2 months after the second dose, with little waning at 5 months or longer.
Cases rise 31% in Africa and 13% in the Americas but fall globally.
Meanwhile, the CDC reissues a mask recommendation for public transit.
The findings aren't markedly different from interim results published in February 2021.
