In spring, birds usually return to their breeding grounds, meaning they are making cross-country journeys, often stopping to take breaks along the way. The stopover locations can act as hotbeds for the spread of bird flu, especially if they are near farmland, where infected birds can leave contaminated saliva and feces, transmitting the disease to poultry animals.
The recent detection of H5N1 bird flu in U.S. cattle, coupled with reports of a dairy worker contracting the virus, demands a departure from the usual reassurances offered by federal health officials. While they emphasize there’s no cause for alarm and assert diligent monitoring, it’s imperative we break from this familiar script.
Scientists have found three viruses in bats in Laos that are more similar to SARS-CoV-2 than any known viruses. Researchers say that parts of their genetic code bolster claims that the virus behind COVID-19 has a natural origin — but their discovery also raises fears that there are numerous coronaviruses with the potential to infect people. ...
