Diseases are broadly grouped into infectious and non-infectious diseases. In the list given below, identify infectious diseases.
i. Cancer
ii. Influenza
iii. Allergy
iv. Smallpox
(a) i and ii (b) ii and iii (c) iii and iv (d)ii and iv
The answer is the option (d) (ii) and (iv)
Infectious diseases are transmissible illnesses that can pass from an infected individual to a healthy one. Non-infectious diseases are non-communicable.
Explanation: Cancer and allergy are non-infectious diseases.