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What is the different means by which infectious diseases are spread?

What is the different means by which infectious diseases are spread?

Grade:12th pass

1 Answers

Harshit Singh
askIITians Faculty 5964 Points
2 months ago
Dear Student

The different means by which infectious diseases spread are:
(a)Through air:They are also called air-borne diseases. The air carries bacteria, virus and the diseases that can be caused are: common cold, influenza, tuberculosis etc.
(b)Through food and water:When one eats drinks contaminated food/water, that contains bacteria, vrirns, worm etc. it can cause diseases like cholera 'phoid, hepatitis,
(c)Trough contact:Many diseases spread by contact of infected person with the healthy person,
Example, fungal infections, skin diseases, scabies etc.
(d)By sexual contact:Many diseases can be transmitted, example, syphilis, AIDS.
(e)By body fluids:Fluids like blood, semen, mother's milk, when infected, can also cause diseases.
Example, AIDS.
(f)Vectors:The organism that spreads a disease by carrying pathogens from one place to another is called vector. Example, mosquitoes are vectors that carry pathogens like protozoa.

​Thanks

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