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.
Seeing COVID rates hit another high, and vaccine uptake remain low, doctors don’t have an antidote for something they see as an ongoing risk factor: the spread of misinformation, including on the presidential campaign trail.
The length of time you spend around a person with COVID-19 seems to heavily influence your likelihood of getting sick, according to a recent Nature study that has been peer-reviewed but not fully edited. Most exposures that result in transmission last at least an hour, if not much longer, the researchers 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.
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