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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Nearly 13% of hospitalized COVID-19 patients had serious neurologic illnesses in the first year of the pandemic, suggests an international study published last week in Critical Care Explorations.
Pregnant women with COVID-19 had more than twice the risk of hospitalization and ICU stay.
More than 53,000 pediatric US COVID-19 cases were reported last week, a 61% increase.
Cognitive impairment from severe COVID-19 is equivalent to losing 10 IQ points or 20 years of aging, and any recovery is slow at best, suggests a small study published late last week in eClinicalMedicine.
The difference was small but meaningful at a population level, suggests a large study.
Meanwhile, US cases continue to grow, especially in the Northeast, though hospitalizations and deaths are still low.
The rate of full COVID-19 vaccination among employees of a private Minnesota medical device manufacturer rose 10.4 percentage points after the company began offering $1,000 incentives for immunization, finds a study published late last week in JAMA Network Open.
The sensitivity of home rapid antigen COVID-19 tests peaks 4 days after symptom onset, suggesting that a negative antigen test should be followed by a second test in 1 or 2 days, according to a prospective study published today in JAMA Internal Medicine.
Wide-ranging individual infectiousness challenges the notion that behavior is the main superspreader driver.
South African officials say they will have a clearer picture as next week unfolds, and officials in China's Guangdong province track an outbreak in the capital.