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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Though more patients were infected during the Omicron phase of the pandemic, only 0.2% in the Omicron cohort were diagnosed as having long COVID.
Other reasons included concerns about safety and efficacy beyond that of previous doses.
Disruptions to healthcare during the pandemic may have led to missed cancer diagnoses and treatment delays.
Three lab studies now suggest antibodies from earlier vaccination or infection may provide a degree of protection against the highly mutated variant.
Total US life expectancy fell from around 80 years in 2019 to 77 years in 2020.
ARDS caused by COVID-19 compared to ARDS caused by other illnesses was not associated with any greater psychological distress among family members.
Hospitalization rates for COVID are low across most of the country, but are higher in the South.
Elevated concentrations of the blood-clotting proteins fibrinogen and D-dimer, with low levels of C-reactive protein, were tied to cognitive deficits.
Researchers noted a higher likelihood of treatment for Black, Hispanic, and older patients with more chronic conditions.
Sporadic detections continue globally, including in the United States.
