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 reason for concern: The variant has developed 23 mutations in just months.
More than 40% of US hospitals with ICUs are at 85% or higher capacity, as Pfizer agrees to supply 100,000 more vaccine doses.
France eases its ban on travel from England, a move prompted by the discovery of a rapidly spreading variant virus.
No COVID vertical transmission was found, but maternal antibody transfer was less than expected.
The findings provide hope that vaccines may generate long-term protection.
A multistate analysis of hospitalized COVID-19 patients in the American Journal of Epidemiology yesterday found that 12.6% of patients died, with blacks especially hard hit.
The Pfizer-BioNTech vaccine likely protects against the UK variant, an official says.
A study in JAMA Internal Medicine today demonstrates a sharp decline in US hospital COVID-19 mortality rates during the first 6 months of the pandemic, with wide variation across hospitals and poorer outcomes linked to higher county-level case rates.
More than 1,100 cases involving the fast-spreading strain are confirmed, most in people younger than 60.
Today and tomorrow 5.9 million doses of Moderna's vaccine will arrive at 3,400 locations.
