Search Results for: Virus

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6,278 results

6,278 results for: Virus

  1. When the human body outwits a deadly virus

    Editor in chief Nancy Shute writes about triumphs of the human immune system over HIV.

    By Nancy Shute
  2. Animals

    A mink in Utah is the first known case of the coronavirus in a wild animal

    A U.S. mink is so far the only known free-ranging animal to have contracted the coronavirus and likely got infected from a nearby mink farm.

    By Erin Garcia de Jesús
  3. Climate

    A UN report shows climate change’s escalating toll on people and nature

    The latest United Nations' IPCC climate change report underscores the urgent need for action to avoid the worst consequences of global warming.

    By Nikk Ogasa
  4. Health & Medicine

    How different COVID-19 testing plans can help keep kids safe in school

    As children head back to school in the United States, here’s a look at various testing strategies that could keep kids safe during in-person learning.

    By Jonathan Lambert
  5. Health & Medicine

    Schools are reopening. COVID-19 is still here. What does that mean for kids?

    Children do get COVID-19, and some become very sick and even die. But the disease’s long-term effects on kids remain uncertain.

    By Tina Hesman Saey
  6. Health & Medicine

    Could delaying a second vaccine dose lead to more dangerous coronavirus strains?

    Some experts worry extending the time between vaccine doses could help the virus evolve in potentially harmful ways, but viral evolution is complex.

    By Erin Garcia de Jesús
  7. Science & Society

    COVID-19 has killed a million Americans. Our minds can’t comprehend that number

    We intuitively compare large, approximate quantities but cannot grasp such a big, abstract number as a million U.S. COVID-19 deaths.

    By Sujata Gupta
  8. Health & Medicine

    Here’s what breakthrough infections reveal about COVID-19 vaccines

    Studies analyzing vaccinated people in the real world show that COVID-19 vaccines are extremely effective, but experts are keeping an eye on variants.

    By Erin Garcia de Jesús
  9. Health & Medicine

    As the COVID-19 pandemic evolves, we answer 7 lingering vaccine questions

    As U.S. vaccination efforts shift to get shots to the hard-to-reach, we take a look at some big questions about vaccines that still remain.

    By Erin Garcia de Jesús, Jonathan Lambert and Tina Hesman Saey
  10. Health & Medicine

    How coronavirus variants may pose challenges for COVID-19 vaccines

    Some coronavirus mutations may make vaccines less effective, but the immune system is multifaceted and vaccines can be updated.

    By Erin Garcia de Jesús
  11. Health & Medicine

    Novavax’s COVID-19 vaccine is effective, but less so with some variants

    Novavax’s vaccine fends off the original coronavirus and a U.K. variant, but had more trouble with a South Africa variant.

    By Tina Hesman Saey
  12. Health & Medicine

    The CDC’s changes to mask guidelines raised questions. Here are 6 answers

    Experts weigh in on the U.S. CDC’s recommendation fully vaccinated individuals removing masks indoors and what it means for the pandemic’s future.

    By Sujata Gupta, Tina Hesman Saey and Erin Garcia de Jesús