Because of this, patients are sent to the distant Tirunelveli Medical College Hospital (TvMCH) during an emergency.
“Hepatitis B is a potentially fatal liver disease caused by the Hepatitis B virus (HBV),” said Dr Kuganantham.
Some of the cases in the UK were so severe that patients had to be transferred to specialist children's liver units, while six children had liver transplants.
Health Minister Satyendar Jain explained that Hepatitis C was easily treatable with a 12-week medicine course and Hepatitis B could also be prevented.
The ongoing survey aims to establish a public-private partnership to increase Hepatitis B vaccination levels among the Irular tribals in Tamil Nadu.