All Viruses articles – Page 42
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Ancient DNA reveals how a chicken virus evolved to become more deadly
Scientists have used ancient DNA to trace the evolution of Marek’s Disease Virus (MDV), showing how viruses evolve to become more virulent and could lead to the development of better ways to treat viral infections.
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Mpox vaccine triggers equally strong immune response in smaller doses
Delivering the two-dose mpox vaccine in smaller than the usual FDA-approved doses produced a detectable immune response. This also occurred regardless of whether people were living with or without HIV.
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Bathyarchaeia encode novel methyltransferase utilizing lignin-derived aromatics
Researchers have presented a successful continuous enrichment of Bathyarchaeia along with the discovery of a novel and specific methyltransferase for O-demethylation from lignin-derived aromatics.
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Researchers uncover new mechanism by which rotavirus induces diarrhea
Researchers report a new mechanism by which rotavirus induces diarrhea, interfering with the normal absorption of nutrients in the intestine.
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First results in using new tools to tackle respiratory syncytial virus
Vaccines for pregnant women and use of monoclonal antibodies have been approved for use in the European Union to prevent respiratory syncytial virus (RSV) among young children. Are those tools working?
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HIV drug could prevent coronaviruses, study finds
New research has shown how an HIV drug could stop many coronavirus diseases, including the SARS-CoV-2 variants, when given to infected cells at the right concentration.
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U/EEA: HIV diagnoses rise for the first time in a decade
The increase in 2022 can be attributed to several factors including restoring surveillance activities, scale-up and introduction of novel testing strategies in many countries, migration patterns, lifting of COVID-19 restrictions and arrival of refugees.
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Scientists develop needle-free patch vaccine to protect against Zika virus
A simple-to-apply, needle-free vaccine patch has been developed to protect people from the potentially deadly mosquito-borne Zika virus.
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Infants exposed to certain biologics during pregnancy can safely receive rotavirus vaccine
New research in Canada may prompt a change to vaccination guidelines for infants. Researchers investigated how the immune systems of babies exposed to biologic agent medications during pregnancy are affected.
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RNA trickery disarms the antiviral CRISPR defenses of bacteria
Bacteria-attacking viruses, known as bacteriophages, use small RNAs to disarm the CRISPR-Cas immune systems of bacteria.
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Human case of flu seen in pigs found in UK for first time
The UK Health Security Agency (UKHSA) has detected a single confirmed human case of influenza A(H1N2)v.
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WHO makes request to China for information on pneumonia cluster reports in children
WHO has made an official request to China for detailed information on an increase in respiratory illnesses and reported clusters of pneumonia in children.
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Laser-powered ‘tweezers’ reveal universal mechanism viruses use to package up DNA
A study using optical tweezers reveals new insights into the roles of specific DNA motor proteins in packaging up viral genomes.
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Simulation suggests mutant strains of COVID-19 emerged in response to human behavior
Using artificial intelligence technology and mathematical modeling, researchers have has revealed that human behavior, such as lockdowns and isolation measures, affect the evolution of new strains of COVID-19.
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Rabies virus variants from marmosets are found in bats
Rabies virus variants closely related to variants present in White-tufted marmosets (Callithrix jacchus) have been detected in bats in Ceará state, Northeast Brazil.
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Tiny vesicles exchange genetic information between cells in the sea
Extracellular vesicles play a much greater role in horizontal gene transfer in the ocean than previously assumed.
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Air cleaners don’t stop you getting sick, research shows
Air filtration systems do not reduce the risk of picking up viral infections, according to new research.
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New method detects bird flu on wetlands beloved of waterfowl
Researchers have developed a method that can detect infectious bird flu virus in wetlands frequented by waterfowl.
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Dangerous bee virus growing less deadly in at least one US forest, researchers find
The findings suggest the virus can evolve to be less severe and could help inform solutions to mitigate the virus in managed honey bee colonies.
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Tiny hinges bend the infection-spreading spikes of a coronavirus
Disabling those hinges could be a good strategy for designing vaccines and treatments against a broad range of coronavirus infections, including COVID-19.