Search Results for: Virus
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Health & Medicine
Why finding bird flu in a U.S. pig for the first time is raising new worries
Swine can act as so-called “mixing vessels” for human and bird flus, giving avian viruses an opportunity to adapt for spreading in people.
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Health & Medicine
A viral gene drive could offer a new approach to fighting herpes
A new gene drive can copy and paste itself into the genomes of herpes simplex viruses in mice. The end goal is a version that disables the virus in humans.
By Meghan Rosen -
Health & Medicine
Vaccines for mpox are finally reaching Africa. But questions about the virus remain
With concerns that mpox may now spread more easily and be more severe, researchers warn that failing to curb the outbreak means “nobody is safe.”
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Health & Medicine
Bird flu viruses may infect mammary glands more commonly than thought
H5N1 turning up in cow milk was a big hint. The virus circulating in U.S. cows can infect the mammary glands of mice and ferrets, too.
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Health & Medicine
Bird flu has been invading the brains of mammals. Here’s why
Although H5N1 and its relatives can cause mild disease in some animals, these viruses are more likely to infect brain tissue than other types of flu.
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Health & Medicine
Why mpox is a global health emergency — again
The WHO made the declaration as a potentially more infectious version of the deadly virus has emerged and mpox cases are rapidly rising across Africa.
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Health & Medicine
Male mosquitoes sometimes suck, too
Blood isn’t actually toxic to all male mosquitos. In at least one virus-carrying species, it may even help them live longer.
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Health & Medicine
Extreme heat and rain are fueling rising cases of mosquito-borne diseases
Extreme Climate Update looks at the perfect storm climate change is creating for mosquitoes and the diseases they carry, like dengue and West Nile.
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Health & Medicine
Genetic analyses of the bird flu virus unveil its evolution and potential
The H5N1 outbreak in cattle is giving flashbacks to the COVID pandemic. But this time is different.
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Neuroscience
Ancient viruses helped speedy nerves evolve
A retrovirus embedded in the DNA of some vertebrates helps turn on production of a protein needed to insulate nerve cells, aiding speedy thoughts.
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Health & Medicine
Cows might host both human and bird flus
Both kinds of influenza viruses may break into cattle cells using receptors similar to those in people, wild birds and poultry.
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Health & Medicine
The CDC has tightened rabies regulations for imported dogs. Here’s why
Dog rabies was eliminated in the United States in 2007. The new rules on bringing dogs into the country aim to keep it that way.
By Claire Yuan