Fight disinformation: Sign up for the free Mother Jones Daily newsletter and follow the news that matters. The US Department of Agriculture will begin mandatory testing of milk supplies for bird flu.

Collection and testing of raw milk cheese will be done by the FDA amid outbreaks of the illness in several states.

Milk that tests positive won’t be thrown out but will be sent on for pasteurization, which has been shown to kill the virus, according to a USDA spokesperson. The testing will help the USDA ...