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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Two global regions that saw recent increases in infections are now seeing downturns, but the US reports the most new cases and deaths.
Transmission of COVID-19 was significantly lower, and viable virus was detected for a shorter period, in fully vaccinated patients and staff isolated at a South Korean hospital than in their partially vaccinated and unvaccinated counterparts, finds a study published yesterday in JAMA Network Open.
The agency also alerts clinicians about COVID-19 rebound after Paxlovid.
COVID-19 patients had persistent signs of heart and lung involvement, inflammation, and clotting.
A study from Israel published today in BMJ shows that the effectiveness of a fourth dose of Pfizer-BioNTech's mRNA COVID vaccine waned faster than a third dose in adults ages 60 and older.
FDA advisers will meet in a few weeks to discuss emergency use of 3 doses.
Compared with Omicron, MIS-C rate was 14 times higher amid Alpha and 13 times higher during Delta.
While COVID-19–related thyroid inflammation usually resolves shortly after the acute illness, about half of participants in a study presented today at the 24th European Congress of Endocrinology still had thyroid abnormalities a year later. The congress is being held May 21 to 24 in Milan, Italy.
A large study shows a 12.8% long COVID decline after the first dose and an 8.8% drop after the second.
Only 16% of people in low-income countries have received a single COVID vaccine dose.
