Hepatitis B virus infection among children aged 1– 5 years of Mayurbhanj district (Odisha), India: A prospective study protocol - K. Divyasree Bhat; Haimanti Bhattacharya; Yuvaraj Jayaraman; Srikanta Kanungo; Matrujyoti Pattnaik; Sanghamitra Pati; Debdutta Bhattacharya (PLoS ONE, 2025)