
Another observational study found more evidence of endothelial dysfunction in Long COVID. German researchers evaluated the eyes of 102 people with Long COVID, comparing them to 102 people “recovered” from COVID-19, as well as controls.

Researchers found immune abnormalities in the intestines of people with Long COVID, according to a new preprint. The small study compared colon tissue samples and blood of 44 people with Long COVID to 13 controls who “recovered” from COVID-19, using several different analysis methods.

COVID-19 can reactivate dormant viruses in the body, confirms new research in Nature.

A new study in Nature Communications confirmed skeletal muscle abnormalities in Long COVID and ME. The study, which furthered past research on post-exertional malaise from the same research group, compared various exercise tests and biopsies of people with Long COVID and ME to results from people who underwent 60 days of strict bedrest, as well…

A new study found persistent neuromuscular abnormalities in Long COVID. The small follow-up study, published in Neurophysiologie Clinique, included 50 people with Long COVID who underwent two types of electromyography tests, which can provide objective measures of muscle function.

The dementia drug donepezil helped decrease fatigue in a subset of people with Long COVID, according to a study published in Frontiers in Pharmacology. In the complex study, which also included testing in mice, Japanese researchers found a majority of people with Long COVID in the cohort had reactivated human herpes virus 6 (HHV-6), which produced…

COVID-19 can cause long-term eye disorders, according to a cross sectional study in Nature Communications. Researchers in Sweden assessed 100 people with Long COVID and compared them to 32 people who had COVID-19 and “recovered.”

An autopsy study found persistent SARS-CoV-2 virus in the hearts of some people who had died after having COVID-19. A part of the National Institute of Health’s RECOVER program, the researchers shared their unpublished results in a poster at a pathology conference this spring.

A recent imaging study in Sage Journals identified metabolic dysfunction in the brains of people with Long COVID who experience PEM. The study assessed 40 people with the disease from a Long COVID clinic with an advanced imaging technique that can detect various cancers and neurologic conditions.

Shionogi, the Japanese company that makes Xocova (ensitrelvir), said the post-exposure prophylaxis drug will be available in mid-July in the U.S. and will have a list price of $1,400. But its impact will hinge on how easily people can access it, experts say.
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