The conditions in which a sick person experience headache, watering of eyes, loose motions, are...

A reservoir is defined as any person, animal, arthropod, plant, soil or substance in which...

Person, animal, object or substance from which an infectious agent passes or is disseminated to...

By laboratory tests.

It is the personal health along with the environmental services for the importance of health...

World Health Organisation.

Dehydration can be prevented by intake of ORS (Oral Rehydration Solution.)

WHO defines health as a state of complete physical, mental and social well-being and not...

Congenital diseases and acquired diseases.

The diseases which are present from the time of birth and are hereditary are called...