Public health 20 Medicine 8 Public health-India 8 Medical policy 6 Public Health 6 History 4 Colonialism 3 Communicable diseases 3 History, 19th Century 3 Smallpox 3 Social medicine 3 Drinking water 2 Ethnic Groups 2 Health Care 2 History, 20th Century 2 Medical care 2 Medical economics 2 Poverty 2 Public health- India 2 Social Environment 2 Social Sciences 2 history 2 Affect Social Aspect 1 Biotechnology 1 Cholera 1 Colonial Influences 1 Community health services-India 1 Decentralization in governmen-India 1 Disease Outbreaks 1 Economic conditions 1