Chandrakant Lahariya is an Indian physician, public health expert, and author known for his extensive work in immunisation, vaccines, and health policy. With a background in medicine and public health, Lahariya has contributed significantly to the development and implementation of vaccination programmes in India. He has worked with the World Health Organisation and other international organisations, focusing on strengthening health systems and improving healthcare delivery in low- and middle-income countries. Lahariya is also an author of several books and articles on public health and policy, making him a respected voice in the field of global health.