All USA & Canada articles – Page 7
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Designer microbe shows promise for reducing mercury absorption from seafood
Scientists who inserted DNA-encoding methylmercury detoxification enzymes into the genome of an abundant human gut bacterium found it detoxified methylmercury in the gut of mice and dramatically reduced the amount that reached other tissues.
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Study of facial bacteria could lead to probiotics that promote healthy skin
Researchers have revealed the dynamics of interactions between two dominant skin bacterial species in more detail than previously possible, shedding light on when and how new bacterial strains emerge on the skin of the face.
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Bacterial villain behind Lake Erie’s ‘potent toxin’ unveiled by study
In Lake Erie, cyanobacteria can proliferate out of control, creating algal blooms that produce toxins that can harm wildlife and human health. Researchers have IDed the organism responsible for the toxins: a cyanobacteria called Dolichospermum.
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Protein sources change the gut microbiome – some drastically
A new study shows that protein sources in an animal’s diet can have major effects on both the population and function of the gut microbiome. The two largest effects of dietary protein were on amino acid metabolism and complex sugar degradation.
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Bacteria deployed as living test tubes to study human gene mutations
Bioengineers have developed a new simple approach to rapidly check on human gene changes and also screen chemicals as potential drugs by turning everyday bacteria into living test tubes.
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New AI technique can uncover antiviral compounds using limited data
Artificial intelligence algorithms have been combined with traditional laboratory methods to uncover promising drug leads against human enterovirus 71 (EV71), the pathogen behind most cases of hand, foot and mouth disease.
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New study reveals emerging cases of babesiosis in Mid-Atlantic region
A newly published study provides critical insights into the emergence of babesiosis in the Mid-Atlantic region, documenting human cases and the presence of Babesia microti in local tick populations.
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Pediatric investigation review discusses the challenges, innovations, and future directions in dengue vaccine development
A new review discusses the current status and implications of dengue vaccines like CYD-TDV, TAK-003, and Butantan-DV while exploring the challenges in Dengue vaccine development like ADE, and proposes future directions in this field.
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Broader antibiotic use could change the course of cholera outbreaks, research suggests
Disease modeling research suggests that, for some cholera outbreaks, prescribing antibiotics more aggressively could slow or stop the spread of the disease and even reduce the likelihood of antibiotic resistance.
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Fungi dwelling on human skin may provide new antibiotics
Researchers have uncovered a molecule produced by yeast living on human skin that showed potent antimicrobial properties against a pathogen responsible for a half-million hospitalizations annually in the United States.
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Now is the time to strengthen infection prevention and control (IPC) programs in healthcare facilities
A joint position paper urges United States healthcare facilities to elevate the standards and effectiveness of their Infection Prevention and Control (IPC) programs.
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How math helps to protect crops from invasive disease
New research demonstrates how mathematical modeling can predict outbreaks of toxic fungi in Texas corn crops—offering a potential lifeline to farmers facing billions in harvest losses.
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Measles may be making a comeback in the US, research finds
If immunization rates drop further over a prolonged period of time, measles and even other wiped-out diseases — such as rubella and polio — could one day make a comeback in the United States, according to a new study.
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Bacteria’s mysterious viruses can fan flames of antibiotic damage, according to new model
Researchers built a model that allows them to diminish phage communities from a mouse gut microbiome — and then bring them back — without affecting the bacteria. A test run found evidence that phages may increase gut bacteria’s sensitivity to antibiotics.
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Global virus network issues urgent call to action to mitigate the rising threat of H5N1 avian influenza
The Global Virus Network (GVN) has issued a call-to-action, calling on world governments to address the threat of H5N1 avian influenza by enhancing surveillance, implementing biosecurity measures, and preparing for potential human-to-human transmission.
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Updated recommendations to prevent infections through effective sterilization and high-level disinfection of reusable medical devices
New comprehensive guidance has been released in the US to help healthcare facilities prevent the transmission of infections through improved practices in sterilization and high-level disinfection (HLD) of reusable medical devices.
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Tick researchers identify new strain of rickettsia bacteria that causes spotted fever infections in humans
In a residential backyard in Maine, researchers stumbled upon a surprise finding: rabbit ticks harboring a new type of bacteria related to a group of pathogens that can cause sometimes life-threatening spotted fever rickettsioses (SFR) infections in humans.
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Study identifies how malaria can lead to childhood cancer
New data has uncovered the role of Plasmodium falciparum infection (malaria) in the development of Burkitt lymphoma (BL), the most common childhood cancer in equatorial Africa and New Guinea.
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Hospital-based outbreak detection system saves lives
An infectious diseases detection platform has proved over a two-year trial that it stops outbreaks, saves lives and cuts costs. The results make the case for adoption in hospitals nationwide and the development of a national early outbreak detection database.
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Success of agile COVID-19 pan-Canadian research network highlights how to tackle future pandemics
The operations of CoVaRR-Net, a national interdisciplinary research network initiated to study COVID-19 variants and enhance Canada’s preparedness for future pandemics, have concluded following the expiration of funding.