Coverage dated April 18, 2024 to April 25, 2024

Bird Flu (H5N1) Explained: Here’s What To Know—And Why Scientists Are Concerned

Headline from Forbes, from the development of Apr 24, 2024

Newest development Apr 26, 2024 · 3 reportsAs bird flu spreads in cows, here are 4 big questions scientists are trying to answer

Bird flu typically spreads among birds, but there have been recent outbreaks among cattle in the U.S., and one Texas man contracted the virus from sick cows. Here’s why so many experts are worried about a possible new pandemic.

Forbes's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Earlier updates in this story

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Names this update

    Bird Flu (H5N1) Explained: Here’s What To Know—And Why Scientists Are Concerned

    Headline from Forbes ·

  2. Newest

    As bird flu spreads in cows, here are 4 big questions scientists are trying to answer

    Headline from NPR ·

2 reports not tied to one development ·

Read the reports

Reports & sources

29 articles, oldest first.

  1. Voice of America

    WHO urges heightened vigilance on potential spread of bird flu in cows (opens Voice of America)

    Published

    Voice of America's feed description

    Investigations underway to learn risks of bird flu in dairy cows recently found in 29 herds across eight US states

  2. The Good Men Project

    Bird Flu Has Spread to Dairy Cows in Five States (opens The Good Men Project)

    Published

    The Good Men Project's feed description

    Cows in Texas, Kansas and New Mexico have tested positive for bird flu.

  3. FOX 4 Kansas City

    Dairy cattle must be tested for bird flu before moving between states, agriculture officials say (opens FOX 4 Kansas City)

    Published

    FOX 4 Kansas City's feed description

    Dairy cattle moving between states must be tested for the bird flu virus, U.S. agriculture officials said Wednesday as they try to track and control the growing outbreak. The federal order was announced a day after health officials said they had detected inactivated remnants of the virus, known as T…

  4. CNN

    US government will require more testing, tracking of bird flu in dairy cows (opens CNN)

    Published

    CNN's feed description

    The US Department of Agriculture said Wednesday that it is issuing a federal order to require more testing and reporting of H5N1 influenza, more commonly known as bird flu, in dairy cows.

  5. The Guardian

    US requires bird flu tests for dairy cows being moved across states (opens The Guardian)

    Published

    The Guardian's feed description

    Testing of pasteurised milk from stores found genetic traces of H5N1 virus, but fragments do not indicate it contains live virus

  6. Minneapolis Star Tribune

    More cows are being tested and tracked for bird flu. Here's what that means (opens Minneapolis Star Tribune)

    Published

    Minneapolis Star Tribune's feed description

    and stop — the growing outbreak.

  7. New York Times

    Dairy Cows Transported Between States Must Now Be Tested for Bird Flu (opens New York Times)

    Published

    New York Times's feed description

    Since a new form of bird flu arrived in 2022, federal officials have sought to reassure Americans that the threat to the public remained low.

  8. Time

    Cows Are Being Tested and Tracked for Bird Flu. Here's Why (opens Time)

    Published

    Time's feed description

    U.S. health and agriculture officials are ramping up testing and tracking of bird flu in dairy cows in an urgent effort to understand — and stop — the growing outbreak.

  9. Green Field Reporter

    More cows are being tested and tracked for bird flu. Here's what that means - The Daily Reporter (opens Green Field Reporter)

    Published

    Green Field Reporter's feed description

    U.S. health and agriculture officials are ramping up testing and tracking of bird flu in dairy cows in an urgent effort to understand — and stop — the growing outbreak. So far, the risk to humans remains low, officials said, but scientists are wary that the virus could change to spread more easily a…

  10. The Week

    Bird flu worries mount as virus found in milk, cows (opens The Week)

    Published

    The Week's feed description

    The USDA says all dairy cows moved across state lines must now be tested for bird flu

  11. The Conversation US

    How bird flu virus fragments get into milk sold in stores, and what the spread of H5N1 in cows means for the dairy industry and milk drinkers (opens The Conversation US)

    Published

    The Conversation US's feed description

    Five livestock experts who study infectious diseases in the dairy industry explain the risks.

  12. Forbes

    Bird Flu (H5N1) Explained: Here’s What To Know—And Why Scientists Are Concerned (opens Forbes)

    Published

    Forbes's feed description

    Bird flu typically spreads among birds, but there have been recent outbreaks among cattle in the U.S., and one Texas man contracted the virus from sick cows. Here’s why so many experts are worried about a possible new pandemic.

  13. MedicalXpress

    Bird flu in humans? Experts see little risk (opens MedicalXpress)

    Published

    MedicalXpress's feed description

    The discovery of traces of the bird flu virus in pasteurized cow milk in the United States sparked questions over whether the disease could spread to humans, but experts say there is little risk from food contamination.

  14. NPR

    As bird flu spreads in cows, here are 4 big questions scientists are trying to answer (opens NPR)

    Published

    NPR's feed description

    Health officials say there's very little risk to humans from the bird flu outbreak among dairy cattle, but there's still much they don't know. Here are four questions scientists are trying to answer.

  15. Seattle Times

    How worrying is bird flu’s jump to dairy cows? Here’s what experts say (opens Seattle Times)

    Published

    Seattle Times's feed description

    The Food and Drug Administration said it had found inactive fragments of the virus in commercially available pasteurized milk, but said consumers who drink it are not at risk of...

  16. Time

    Why Experts Are Worried About Bird Flu in Cows (opens Time)

    Published

    Time's feed description

    Health officials have detected fragments of a bird flu virus in milk. What does that mean for the milk supply?

Identical headlines usually mean shared wire copy. They are counted as separate articles but are not independent confirmation.