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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Protection of 4 doses of COVID vaccine against BA.5 infection among COVID-naïve participants was 16.1%, while it was 89.5% and 94.3% among those previously infected with BA.1 and BA.2, respectively.
Venous thromboembolism occurred in 292 of 398,530 patients (0.1%) over the follow-up period, for an overall rate of 0.26 per 100 person-years.
Fever and cough were more common with the Delta and Omicron variants, but rates of hospitalization and ICU admission stayed the same over time.
US legislators vote to declassify info about SARS-CoV-2 origins, the Cochrane Review issues a clarification, and XBB.1.5 now makes up nearly 90% of US cases.
Of 79 rats, 4 (5%) tested positive for COVID-19, and 13 (16.5%) tested positive for wild-type SARS-CoV-2 immunoglobulin G or immunoglobulin M antibodies.
The 157 healthcare workers infected with the wild-type virus were 67% more likely than uninfected participants to report persistent symptoms.
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Female participants, however, saw some erosion of general mental health and increased anxiety and depression.
The US is finalizing a plan to ease screening of travelers from China, the World Bank is short on pandemic funds, and the UK announces a spring booster plan.
Long-COVID patients were more likely to have reflux, peptic ulcers, pancreatitis, dyspepsia, gastritis, irritable bowel syndrome, and other GI conditions.