H5 bird flu, a type of avian influenza, has infected dozens of people in the U.S., and spread to seven states and Canada this year.As concern grows over whether it could lead to another pandemic or lockdown,

The H5N1 virus that infected a Canadian teen appears not to have spread, but it shows signs of mutation that makes flu virologists nervous.

As bird flu test results come back from agencies, the state's agriculture department instructs raw milk producer Raw Farm to withhold distribution of products.

California state officials have suspended a company’s sales of raw milk to retailers amid ongoing concerns about bird flu. Raw milk sales by Raw Farm, located in Fresno, was blocked from distributing its raw dairy products as of Thursday,