Rates rose roughly 80% above baseline during the pandemic and disproportionately affected Black patients.
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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Conservatives living in liberal regions had a 60% likelihood of receiving a booster dose, compared with under 35% in conservative areas.
Efficacy was similar against the SARS-CoV-2 KP.3.1.1 and XEC variants.
Adults who were physically active before COVID infection still had impairments years later.
Of adults ages 50 and older, 42% remain unvaccinated.
The low-cost drug may lower the risk of clinician-diagnosed long COVID by 40% to 60%.
Immune system dysfunction may play a role, the authors of the study say.
Eight more children died of influenza this week, bringing the season total to 52.
Measures such as universal masking, enhanced hand hygiene, and increased visitor restrictions likely helped limit viral transmission.
In total, 86% of US long-COVID patients report brain fog, compared with 15% in India.
Damage to the lining of the lungs contributes to ongoing symptoms and restrictive lung function in some people with long-COVID.