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.
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The mutation was detected in 20% of study participants who never became sick, compared with 9% of their ill counterparts.
All boosters considered in this study had waning protection, with peak protection at 2 to 4 weeks after injection.
A high risk of obstructive sleep apnea is associated with severe COVID-19 and longer hospitalization.
Most COVID-19 cases in Danish K-9 schools in fall 2021 didn't trigger clusters, but when they did, they were large.
Children at highest risk of long COVID included girls, older youth, those with underlying illnesses, and hospitalized patients.
Only 43% of healthcare facilities had sufficient personal protective equipment to comply with COVID-19 safety guidelines.
Studies show that dogs can detect asymptomatic people, those who had long COVID, and new COVID variants.
Medical and public health experts should work together to combat misinformation through investments in media monitoring and counter messaging.
No clinically relevant changes were noted in risk of preeclampsia and eclampsia, severe maternal illness, cesarean delivery, or preterm birth.
Nursing homes saw a 77% drop in the number of excess deaths in people with dementia from the first to second pandemic year.
