Public health authorities are seeking to determine if a Marin County child stricken with bird flu could have potentially contracted the illness by drinking infected raw milk that was subject to a recall.

The patient was visiting the county from out of state during the Thanksgiving holiday, according to the public health office.

MARIN COUNTY, Calif. - Marin County Public Health is reporting a possible case of H5N1, also known as the bird flu, in a child. It's unclear when exactly the child potentially contracted the disease or where. The Centers for Disease Control and Prevention (CDC) is working on determining how the child was exposed.