Q19 of 43 Page 13

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

Infectious diseases are generally spread through air, through water, through sexual contact, through vectors (e.g. mosquito), through physical contact with affected person, through articles or fomite borne (bedding, utensils, clothes, etc.) of use of affected person. The disease can have many ways to enter a human body.

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17

Why is AIDS considered to be a “syndrome” and not a disease?

 18

What do you mean by disease symptoms? Explain giving two examples.

 20

Why we are normally advised to take bland and nourishing food when we are sick?

 21

Distinguish between:-
a) Acute and chronic diseases
b) Healthy and diseases
Are the answers to the above questions necessarily the same or different? Why?