The state health department has sent a team of experts from Patna to Muzaffarpur. 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.

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.