Search Results for: Virus

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6,176 results
  1. 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.

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  2. 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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  3. 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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  4. 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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  5. 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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  6. 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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  7. 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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  8. 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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  9. 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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  10. 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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  11. 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.

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  12. Health & Medicine

    Traces of bird flu are showing up in cow milk. Here’s what to know

    We asked the experts: Should people be worried? Pasteurization and the H5N1 virus’s route to infection suggests risks to people remains low.

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