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  4. Diseases are broadly grouped into infectious and noninfectious diseases. In the list given below, identify the infectious diseases. (i) Cancer (ii) Influenza (iii) Allergy (iv) Small pox

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Q. Diseases are broadly grouped into infectious and noninfectious diseases. In the list given below, identify the infectious diseases.
(i) Cancer
(ii) Influenza
(iii) Allergy
(iv) Small pox

Human Health and Disease

Solution:

Diseases can be broadly grouped into infectious and non-infectious. Diseases which are easily transmitted from one person to another, are called infectious diseases. Influenza and small pox are infectious diseases which are spreaded by direct contact, inhalation and droplet infections. Cancer and allergy are non-communicable diseases as these diseases remained confined to the person who suffer from them. They are not transmitted from infected person to other person.