Ongoing outbreaks of avian influenza have decimated poultry flocks and wild birds across the United States and worldwide. The virus, known as H5N1, is also increasingly adapting to mammals and has been found in cats, goats, and raccoons. In the US, it has spread to at least 170 dairy herds across 13 states. And in April, health officials confirmed that a dairy worker had caught the virus from an infected cow. This was the first time the virus made the jump from a mammal to a human.
Now, the number of people becoming infected with bird flu is ticking upward. On July 25, the US Centers for Disease Control and