IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-6-50333 Original Research Paper Seroprevalence Of Human Immunodeficiency Virus, Hepatitis B And Hepatitis C Among Healthy Blood Donors At A Tertiary Care Hospital In Eastern Uttar Pradesh India: A Retrospective Study Pallavi Singh Sabal Dr. Dr Rajesh Kumar Rai Dr. Dr Mayank Jain Dr. June 2023 12 6 01 02