Q17 of 39 Page 74

Viruses, which cause hepatitis, are transmitted through

If the feces of any infected person contaminates the water bodies, then there is a huge potential for Hepatitis A virus to spread. These viruses can be spread from the various water resources.

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We should not allow mosquitoes to breed in our surroundings because they

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You are aware of Polio Eradication Programme in your city. Children are vaccinated because

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Vectors can be defined as

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Give two examples for each of the following

(a) Acute diseases


(b) Chronic diseases


(c) Infectious diseases


(d) Non-infectious diseases