Cambodia has reported a new human case of H5N1 bird flu in a 9-month-old girl, according to health officials. It marks the country’s fifth confirmed case this year. Cambodia’s National Institute of Public Health announced on Saturday that the patient is a 9-month-old girl from Preaek Ta Kong village in Phnom Penh, the country’s capital. She has been hospitalized and is receiving intensive care. Health officials are investigating the source of th…