What are the different means by which infectious diseases are spread?
NCERT Class IX
Sciences - Main Course Book
Chapter 13. Why Do We Fall Ill
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Infectious diseases can spread through the following means-
1. through air ( air borne diseases )- when the person is exposed to air contaminated with germs.
2. through water ( water borne diseases ) - when the person consumes contaminated water.
3. through direct touch - when the person comes in direct contact with the infected patient.
1. through air ( air borne diseases )- when the person is exposed to air contaminated with germs.
2. through water ( water borne diseases ) - when the person consumes contaminated water.
3. through direct touch - when the person comes in direct contact with the infected patient.
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