California health officials reported Tuesday that a child in Alameda County tested positive for H5 bird flu last week.The source of infection is not known — although health officials are looking into possible contact with wild birds — and the child is recovering at home with mild upper respiratory symptoms.

A child is home and recovering after a possible case of bird flu in Alameda County, California, according to the California Department of Public Health. The child had mild upper respiratory symptoms and received treatment.

A Bay Area child tested positive for bird flu. Other California cases were traced to cattle and dairy farms in the Central Valley.