
The mysterious death of a man in Mexico who had one kind of bird flu is unrelated to outbreaks of a different type at U.S. dairy farms, experts say.
Here’s a look at the case and the different types of bird flu.

The mysterious death of a man in Mexico who had one kind of bird flu is unrelated to outbreaks of a different type at U.S. dairy farms, experts say.
Here’s a look at the case and the different types of bird flu.