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September 29, 2026 Edition
News
Antiviral drug did not improve Long COVID symptoms
A clinical trial for Long COVID found that treating patients with a common antiviral drug for up to 25 days did not improve symptoms.
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tRNA treatment may help restore cystic fibrosis proteins
Lipid nanoparticles delivering engineered transfer RNA restored functional proteins in cell and animal models of cystic fibrosis.
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Bacterial infection may alter developing gut
C. difficile bacteria caused lasting changes to cells in the intestines of newborn mice.
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Aging insights from reptiles and amphibians
Researchers identified patterns in the aging rates and longevity of reptiles and amphibians that suggest how these traits evolved.
Using viruses to treat antibiotic-resistant bacterial infections
In several patients, treatment of bacterial lung infections with viruses called phages eliminated the infection.
Long COVID symptoms linked to inflammation
Prolonged inflammation after SARS-CoV-2 infections caused permanent damage to lungs and kidneys, affected the brain, and correlated with behavioral changes in hamsters, suggesting a mechanism for the symptoms of Long COVID in people.
Brain cells that control sickness symptoms
Researchers identified a group of neurons in mice that trigger sickness symptoms, such as fever and loss of appetite, in response to infections.
Priming the brain to learn
After people were incidentally exposed to new objects, they learned to categorize them faster when explicitly taught to recognize them later.
Improved dietary supplement for age-related macular degeneration
Replacing a component of a dietary supplement for treating age-related macular degeneration improved its safety and efficacy over a 10-year period.
Combination antibody treatment for HIV
A combination of anti-HIV antibodies suppressed the virus for several months without the need for daily antiretroviral therapy.