Why Do We Fall Ill-Theory Session-4

Why Do We Fall Ill Theory Session-4

In this session teacher has discussed about - Why do we fall ill. Means of spread of infectious diseases, Air, Means of spread of infections diseases, Water, AIDS : Acquired Immune Deficiency Syndrome, Vectors, Mosquitoes, Houseflies, Route of entry of pathogen – nose – mouth – skin – urinogenital organs.

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