All USA & Canada articles – Page 81
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NewsCOVID-19 compromised U.S. gains in controlling HIV and worsened health disparities
The COVID-19 pandemic slowed previous gains made in controlling HIV blood levels and worsened health disparities, according to researchers leading the largest U.S. evaluation of the impact of the public health crisis on people with HIV.
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NewsMaternal dengue immunity worsens birth defects caused by Zika virus
A new study finds prior dengue antibodies substantially raise the risk of microcephaly and fetal defects with Zika infection.
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NewsHow green algae count cell divisions reveals key step needed for multicellular life
Scientists have made an unexpected discovery of a biased counting mechanism used by the single-celled green alga Chlamydomonas to control cell division.
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NewsResearchers invent single, rapid test for both HIV and TB
Scientists have developed a new and rapid test that can detect both HIV and tuberculosis at the same time with just a small amount of blood.
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NewsFungi drive ice formation by excreting small proteins
An international team of researchers explored the characteristics and properties of fungal ice nucleators, revealing that they are made up of small protein subunits and play a role in both promoting and inhibiting ice growth.
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NewsHalophilic fungi can restructure cell walls to withstand extreme environments
Researchers have shown how microorganisms known as halophilic fungi stand up to high salt concentrations that would be lethal to other microbes.
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NewsOne in five patients experience rebound COVID after taking Paxlovid, new study finds
While Paxlovid remains a ‘life-saving drug,’ researchers found that patients experiencing virologic rebound after treatment may remain contagious.
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NewsAntiviral treatment largely underused in children with influenza
Despite US national medical guidelines supporting the use of antiviral medications in young children diagnosed with influenza, a new study reports an underuse of the treatment.
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NewsYucatán’s underwater caves host diverse microbial communities
With help from an experienced underwater cave-diving team, researchers have constructed the most complete map to date of the microbial communities living in the submerged labyrinths beneath Mexico’s Yucatán Peninsula.
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NewsSpread of AMR bacteria linked to patient hand contamination and antibiotic use in nursing homes
Nursing home residents have an increasing diversity in the level of care required and this has coincided with an increase in the spread of drug resistant bacteria within these settings.
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NewsNew way to count microbes speeds research and cuts waste
Researchers have developed a new way of counting microorganisms that works as much as 36 times faster than conventional methods, cuts plastic use and decreases the cost and carbon footprint of biomedical research.
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NewsStudy to analyze how coronavirus spreads between wildlife and humans
The data will be used to create predictive models that can be used to prepare and protect human health for future variants and diseases.
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NewsAnti-fire blight bacterium shows potential as biocontrol agent to reduce Salmonella contamination of produce
Scientists at the U.S. Department of Agriculture have isolated a microbe that can prevent the growth of Salmonella enterica on cantaloupe melons during the pre- and post-harvest periods.
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News Bacteria-virus arms race provides rare window into rapid and complex evolution
Researchers documenting rapid evolutionary processes in simple laboratory flasks show that intricate ecological networks emerge from simple beginnings that feature repeating patterns of evolutionary development.
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NewsZooplankton in ocean and freshwater rapidly escalating the global threat of plastics
Rotifers, a kind of microscopic zooplankton, are able to chew apart microplastics, breaking them down into even smaller, and potentially more dangerous, nanoplastics. Each rotifer can create between 348,000 and 366,000 per day.
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NewsEarly life exposure to broccoli sprouts protects against colitis in IBD
High fiber diets, like those that include broccoli sprouts or other cruciferous vegetables, may reduce disease symptoms and improve quality of life in patients with inflammatory bowel disease (IBD), according to a study conducted in mice.
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NewsLive shingles vaccine still protecting 10 years on - despite waning effectiveness
The effectiveness of live zoster (shingles) vaccine is highest in the first year after vaccination and then wanes substantially, but it continues to provide some protection against shingles ten years after vaccination.
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NewsTemperature increase triggers the viral infection
Researchers have mapped on an atomic level what happens in a virus particle when the temperature is raised.
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NewsEducation key to curbing antimicrobial resistance in cats
Better education for cat owners, more communication from veterinarians, increased drug choices and cheaper, rapid diagnostic tools can help improve antimicrobial use in cats.
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NewsInfection with common cat-borne parasite associated with frailty in older adults
Toxoplasma gondii has previously been associated with risk taking behavior and mental illness. A new study suggest it may also contribute to frailty.