The last time we reported on “super bird flu,” the World Health Organization (WHO) was expressing “enormous concern” about the spread of the new disease. Clearly, the global health bureaucracy’s new motto is “never let a good virus go to waste.”

Now the media is beginning to fear-monger over pasteurized milk, in which traces of particles from the virus have been detected.

The Food and Drug Administration said Thursday that traces of the bird flu virus have been found in 1 in 5 samples of pasteurized milk, providing a more detailed picture of how much of the milk supply has been affected.

The tested milk came from a nationally representative sample, with more of the positive results coming from milk in areas with infected herds of dairy cows, the FDA said. A spokesperson declined to say how many samples were tested...