A 6-year-old girl from Stanislaus County has the West Nile virus, the third confirmed case in the state this year.
According to the Modesto Bee, the girl got sick nearly two weeks ago. Her family says she had weakness on one side of her body. She also had difficulty speaking.
County health officials say the girl is showing signs of improvement.
Her name and hometown are being withheld.
The first confirmed human case of West Nile in California was a 70-year-old Kern County woman. She was hospitalized in June and is recovering.
The second case was a 59-year-old Clovis man, who was hospitalized and released.
The Associated Press contributed to this report.