Analysis: How long immunity might last after a COVID infection
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Submitted by mike kraft on
Submitted by mike kraft on
Submitted by mike kraft on
Submitted by mike kraft on
..in the New England Journal of Medicine Chinese researchers have published positive trial results of simnotrelvir, an oral antiviral that can shorten the duration of mild to moderate COVID-19 symptoms.
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New York Times
Oregon and California, among the most cautious of states early in the pandemic, have surprised health officials elsewhere by breaking with Centers for Disease Control and Prevention guidelines and telling infected workers and schoolchildren that as long as they have no symptoms, they are generally free to go about their lives.
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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.
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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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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.
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The problem is: people who initially test negative and then don’t test later may be unknowingly spreading the virus.
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