Bird Flu 2025 Yahoo News Today. Scientists are racing to understand how a person in missouri who had no contact with animals became infected with h5 bird flu. It calls on industry to develop tests for the h5 strain of bird flu virus, the one circulating among dairy cattle.
Most cases in humans have occurred after a person had unprotected exposure to sick or dead infected. Bird flu may cause mild to severe sickness in humans, and it has the potential to cause pneumonia and severe, sometimes fatal lung inflammation.