More USA & Canada News – Page 81
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NewsMini lungs make major COVID-19 discoveries possible
Scientists infect miniature lung organoids with the virus responsible for COVID-19, revealing new ways in which the infection spreads and suggesting potential treatments.
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NewsIsolated viral load test may generate false positive results for people using long-acting PrEP
A single laboratory-based HIV viral load test used by U.S. clinicians who provide people with long-acting, injectable cabotegravir (CAB-LA) HIV pre-exposure prophylaxis (PrEP) did not reliably detect HIV in a multi-country study.
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NewsNew study confirms mammal-to-mammal avian flu spread
A new study provides evidence that a spillover of avian influenza from birds to dairy cattle across several U.S. states has now led to mammal-to-mammal transmission – between cows and from cows to cats and a raccoon.
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NewsStudy finds how common skin bacterium causes chronic infections after orthopedic surgeries
Scientists investigating chronic bone infections have found that the common skin bacteria Cutibacterium acnes can persist as layers of biofilms for weeks on contaminated titanium or stainless-steel implants.
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NewsScientists pinpoint how a red seaweed reduces methane emissions from cows
New research into the microbiome of cattle rumen has implications for addressing a leading contributor to climate warming.
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News$1.5M state grant kickstarts efforts to use fungal molecules in batteries, photovoltaics and electronic circuitry
A unique research effort is exploring how complex molecules found in living organisms, such as fungi, could be used to engineer more environmentally friendly energy systems.
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NewsScientists identify possible new transmission factor in hospital-acquired Klebsiella infections
The dangerous multidrug resistant (MDR) pathogen, Klebsiella, thrives under nutrient-deprived polymicrobial community conditions found in hospital environments, a new study reveals.
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NewsSurgical Infection Society issues new guidelines on the management of intra-abdominal infection
The Surgical Infection Society (SIS) has presented new evidence-based guidelines for the management of intra-abdominal infection (IAI) in the peer-reviewed journal Surgical Infections. “These guidelines are critical in the ongoing work by the Surgical Infection Society to decrease the number of deaths from the most common ...
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NewsExpiring medications could pose challenge on long space missions
Medications commonly used by astronauts aboard the International Space Station might be ineffective or harmful on a multi-year mission to Mars, a new study suggests.
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NewsNirmatrelvir/ritonavir antiviral combination shows potential in reducing COVID-19 hospitalizations
A systematic review aimed to summarize published evidence on the efficacy, effectiveness, and safety of nirmatrelvir/ritonavir for COVID-19. The review also intended to assess the robustness of the evidence from randomized controlled trials.
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NewsNew drug target identified for diseases associated with leukemia-causing virus
Researchers have found a new target for treating diseases associated with human T-cell leukemia virus type 1 (HTLV-1). Blocking kinases, which regulate cellular functions, leads to cell death caused by the degradation of the protein Tax.
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NewsPrenatal Zika infection has long-term immune consequences in children, even without microcephaly
New findings challenge the current diagnostic criteria for congenital Zika syndrome, expanding the definition beyond skull or brain abnormalities.
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NewsStudies explore converting wastewater to fertilizer with fungal treatment
Hydrothermal liquefaction (HTL) converts biomass into biocrude oil through a high-temperature, high-pressure process. Two new studies explore the use of a fungal treatment to convert the leftover wastewater into fertilizer for agricultural crops.
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NewsResearchers expose the rules behind dengue’s invasion strategies
Scientists uncover fundamental rules for how dengue virus infects its mosquito and human hosts, providing hope for identifying therapeutic approaches.
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NewsMutations of the spike gene do not predict the severity of variants of SARS-CoV-2
The two recent and prevalent strains of the virus that cause COVID-19 are not significantly better than their predecessor Omicron at evading immune responses and causing infections despite having a higher number of mutations.
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NewsRising antimicrobial resistance in some Salmonella serovars isolated from retail chicken meat
Salmonella infections are a major public health issue in the United States, causing over 1.3 million illnesses annually. These infections are a leading cause of foodborne illness, often traced back to raw or undercooked poultry meat and eggs. Source: National Institute of Allergy and Infectious Diseases Scanning electron ...
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NewsResearchers unveil secrets behind phages’ flawless timing
New research is shedding light on how viruses ensure their survival by precisely timing the release of new viruses. The discovery offers a new theoretical framework for understanding these dynamic biological phenomena.
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NewsPanel issues first guidelines to prevent anal cancer in people with HIV
Results from a national study have informed the first guidelines at the federal level in the United States to detect and treat anal cancer precursor lesions in people with HIV to reduce the risk of developing anal cancer.
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NewsStudy shows promise for a universal influenza vaccine
New research reveals a promising approach to developing a universal influenza vaccine — a so-called “one and done” vaccine that confers lifetime immunity against an evolving virus.
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NewsLlama nanobodies deliver breakthrough in building HIV immunity
Scientists have developed a new antibody therapy that can neutralize a wide variety of HIV-1 strains. They found success in an unlikely source — llamas.