Overall, 57% of participants had evidence on PET/MRI of inflammation affecting the heart or lungs.
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 investigational metabolic modulator AXA1125 was tied to significantly less physical and cognitive fatigue, a small study finds.
COVID-19 vaccination directly saved at least 1,004,927 lives across Europe from December 2020 to March 2023, according to new research.
People with intellectual disabilities also saw higher rates of death from cancer, nervous and circulatory system diseases, external causes, and other natural causes during the pandemic.
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.
