Health Organizations

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Health organisations are grouped into three levels: local bodies, national organisations, and international organisations. Local bodies look after sanitation and records, national organisations study …

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Local bodies such as municipal corporations and municipalities maintain sanitation, supply safe drinking water, arrange vaccinations, and keep statistical records. They also maintain compulsory regist…

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Vaccinations help protect infants and others from infectious diseases by building resistance. They are especially important when there is a risk of an epidemic. Common diseases covered include tetanus…

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Food and water borne diseases are common health problems. Examples include diarrhoea, gastroenteritis, typhoid, and dysentery. These often spread where drinking water is contaminated or sewage is not …

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Insect and air-borne diseases are common health problems. Poor cleanliness allows houseflies, mosquitoes, and other insects to breed and spread disease. Flies can contaminate exposed food, and insects…

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The five types of habitations are big cities, small towns, villages, remote areas, and slum-dwellings. These differ in population density, living conditions, and access to water and medical facilities…

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Slum-dwellings usually have unhealthy and unhygienic conditions. Such surroundings increase the chance of disease because sanitation is poor and living conditions are crowded.

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National agencies and research centres in India study malaria, dengue, tuberculosis, leprosy, and cholera. They survey diseases, identify the transmitting agent and breeding places, arrange immunisati…