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 study focused on the population of Tsimane, a voluntarily isolated community in Bolivia that is more than 60 miles from the nearest market town.
Caregivers with lower levels of education reported more stress during the first 2 years of the pandemic.
One of the big questions is how well the variant evades immunity from earlier infection or vaccination.
The BA.2.86 sequence was from Virginia, and the patient had traveled from Japan and was asymptomatic.
Of the funding, $1 billion goes to 4 BARDA research partners to support phase 2b clinical trials of vaccine candidates.
A deep-learning model can evaluate chest x-rays to predict whether COVID-19 patients will need intensive care.
COVID-19 ICU admissions decreased for preschoolers, but the need for mechanical ventilation in hospitalized children that age remained steady.
The risk of excess death was highest on days 0 to 90 after infection and was elevated sixfold.
Only 35% of the 80 studied long-COVID signs and symptoms became nonsignificant 2 years after infection among hospitalized veterans.
While the exact cause of hypertension is unknown, it is possible that SARS-CoV-2 causes cardiac dysfunction and blood pressure dysregulation via the ACE2 receptors.
