The risk of long COVID was two to three times higher after the initial infection (14.8%) than after first (5.8%) or second (5.3%) reinfections.
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.
Get weekly COVD-19 updates in your inbox.
Catch the latest episode!
Top COVID FAQs
By CIDRAP & other experts
Read all 7 reports
Participants included 1,794 nursing home residents and 3,385 workers.
XBB.1.16 already makes up more than 20% of viruses in the United States' south-central region.
Protection against hospital illness or death was 67% after 2 weeks but waned over time in one study, while it was 68% to 72% in the other study.
The elevated case rate was concentrated in county schools that provided fully in-person rather than hybrid instruction.
Researchers are also assessing if there are any benefits of a higher corticosteroid dose for patients on ventilators.
COVID-related death rates were twice as high among Asian, Black, and Hispanic patients and four times higher for Native Americans.
All maternal infections included in the study were asymptomatic or mild, as none required hospitalization or oxygen supplementation.
Half of all healthcare workers with symptomatic COVID-19 continued to go to work, even if they were involved with direct patient care.
Most women ages 18 to 49 years (53%) indicated that flu vaccine is safe for women and their fetuses during pregnancy, and 17% said it isn't, compared with 9% of men and 4% of women aged 50 and older.
The administration launches a plan to speed new COVID vaccines and treatments, and President Biden signs a law declaring the COVID-19 emergency over.
