Scientists have identified a persistent change in a handful of blood proteins in people with long Covid that indicates that an important part of their immune system remains on high alert for months after an acute infection.
The findings, published Thursday in the journal Science, could help explain what causes the persistent fatigue, brain fog and other debilitating symptoms of long Covid, as well as pave the way for diagnostic tests and potentially, a long-awaited treatment, experts say.
COVID-positive students no longer have to stay home, as long as they do not have any symptoms, according to district officials. Asymptomatic, COVID-positive students should wear a mask at school while indoors, the response team added.
Bivalent (two-strain) COVID-19 vaccines help protect against COVID-19–related thromboembolic events, including strokes, embolisms, and heart attacks, more so than monovalent (one-strain) vaccines, according to a study today in Morbidity and Mortality Weekly Report.
By taking biopsies from long COVID patients before and after exercising, scientists in the Netherlands constructed a startling picture of widespread abnormalities in muscle tissue that may explain this severe reaction to physical activity.
Rates of long-term major adverse cardiovascular events (CVEs) fell after the COVID-19 pandemic began in early 2020 and remained lower over the next year among commercially insured New England patients seeking care, and the incidence of congestive heart failure (CHF) and angina (chest pain) remained lower than expected.
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