In Bihar, at least 22 children below the age of six years have died and 35 others hospitalised due to some mysterious disease during the past one week in Muzaffarpur district. Officials said, while four children died at Sri Krishna Medical College and Hospital, SKMCH, three others died at Kejriwal hospital in Muzaffarpur town. SKMCH Pediatrician Dr Braj Mohan confirmed the death of four children at the hospital since yesterday. Superintendent of Kejriwal hospital Dr Bibi Giri said, three children below the age of six years died due to suspected encephalitis at the hospital during the past 24 hours and 15 others have been admitted for treatment. The state health department has sent a team of experts from Patna to the district. Principal Secretary, Health, Amarjeet Sinha said, the team has already collected the blood samples and returned to the state capital. He said, the blood samples have been sent to a specialised laboratory in Pune for examination.