Health officials in California have discovered bird flu virus in raw milk for sale in a store in the state, a development scientists following the ongoing outbreak of bird flu in dairy cows have been anticipating and worrying about for some time.

The H5N1 virus was found in a sample of unpasteurized milk at a store, prompting a recall of one batch. Health agencies have warned against the growing dietary fad.

The first child case of avian influenza (H5N1) was detected in California this week, according to the CDC, which is conducting an investigation into the case, including contact and exposure tracing