All USA & Canada articles – Page 8
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NewsNew study highlights scale and impact of long COVID
A wide range of biological mechanisms are involved in long Covid, including persistence of the original virus in the body, disruption of the normal immune response, and microscopic blood clotting, even in some people who had only mild initial infections.
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Newsstudy highlights factors associated with higher tuberculosis risk in South Africa
Tuberculosis is the world’s top infectious killer. About 10 million people fall ill with the disease every year, and roughly 1.5 million people die because of it, according to the World Health Organization. Additionally, about one-quarter of the world’s population is infected with the disease’s causative agent Myctuberobacterium tuberculosis. ...
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NewsCoinfecting viruses impede each other’s ability to enter cells
Scientists researching phage infection at the level of a single cell investigated whether the number of infecting phages that bind to the bacterial surface corresponds to the amount of viral genetic material that is injected into the cell.
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NewsWhen it comes to DNA replication, humans and baker’s yeast are more alike than different
Humans and baker’s yeast have more in common than meets the eye, including an important mechanism that helps ensure DNA is copied correctly, reports a pair of studies.
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NewsComprehensive meta-analysis pinpoints what vaccination strategies different countries should adopt
A new paper offers the first comprehensive meta-analysis examining what types of vaccine intervention strategies have the greatest effect, and whether different intervention strategies work better in different countries.
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NewsShared geographic origin of TB strain and human host could boost risk of infection
For some forms of tuberculosis, the chances that an exposed person will get infected depend on whether the individual and the bacteria share a hometown, according to a study comparing how different strains move through mixed populations in cities.
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NewsPNNL partners with US DOE to improve access to DOE’s intellectual property
A new database that makes thousands of the ideas, technologies, methods and software developed by the US Department of Energy available in one place has been created by DOE, working closely with software engineers and others at Pacific Northwest National Laboratory.
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News3D models provide unprecedented look at corals’ response to bleaching events
A new study provides a first-of-its-kind glimpse into coral ‘bleaching’ responses to stress, using imaging technology to pinpoint coral survival rates following multiple bleaching events off the island of Maui.
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NewsNasal COVID-19 vaccine halts transmission
Next-generation Covid vaccines that target the virus’s points of entry — the nose and mouth — may be able to do what traditional shots cannot: contain the spread of respiratory infections and prevent transmission.
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NewsNew compound found to be effective against flesh-eating bacteria
Researchers have developed a novel compound that effectively clears bacterial infections in mice, including those that can result in rare but potentially fatal ‘flesh-eating’ illnesses, and could be the first of an entirely new class of antibiotics.
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NewsEngineered human skin bacteria repel mosquitoes for 11 days, study shows
Genetically engineered human skin bacteria can make mice less attractive to mosquitoes for 11 days, a new study reveals.
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NewsApplied Microbiology International expert recognized for exceptional scientific leadership
AMI member Jizhong (Joe) Zhou, director of the OU Institute for Environmental Genomics, has been presented with the Distinguished Scientist Award from the Southeastern Universities Research Association at its annual meeting.
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NewsStudents to swab first responder vehicles through a CDC-funded infection control initiative
This fall, student research and project assistants will begin swabbing first responder vehicles, ambulances, fire trucks and equipment to identify pathogen exposure risks and enhance training.
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NewsAI opens door to safe, effective new antibiotics to combat resistant bacteria
A large language model—an AI tool like the one that powers ChatGPT—has been used to engineer a version of a bacteria-killing drug that was previously toxic in humans.
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NewsWhat shapes a virus’s pandemic potential? SARS-CoV-2 relatives yield clues
Two of the closest known relatives to SARS-CoV-2 — a pair of bat coronaviruses discovered by researchers in Laos — may transmit poorly in people despite being genetically similar to the COVID-19-causing virus, a new study reveals.
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NewsSaunas may be key to helping frogs survive deadly fungal infection
Sun-heated brick ‘saunas’ offer hope to endangered amphibians being wiped out by a fungal infection that has already rendered at least 90 species extinct.
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NewsScientists untangle interactions between the Earth’s early life forms and the environment over 500 million years
A new perspective explores the intricate feedbacks among ancient life forms, including algae, plants and animals, and the chemical environment in the current Phanerozoic Eon, which began approximately 540 million years ago.
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NewsMouse study reveals how fetal brain impacted when mother fights severe flu
A bad case of the flu during pregnancy can increase the risk for fetal neurodevelopmental disorders such as schizophrenia and autism spectrum disorder. But it’s not the virus itself doing the damage; it’s the mother’s immune response.
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NewsDespite risk, many unsure of temperature to heat food to prevent illness
With bird flu virus detected in cow’s milk, U.S. health authorities have warned the public against potential sources of exposure, including drinking raw or unpasteurized milk, and have reiterated a general warning that consuming uncooked or undercooked poultry or beef products can make you sick. Relatively few ...
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NewsStudy says new drug shows promise in clearing HIV from brain
An experimental drug originally developed to treat cancer may help clear HIV from infected cells in the brain, according to a new study.
