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Which of the following is a contagious disease ?
Question

Which of the following is a contagious disease ?

A.

Diabetes

B.

Heart attack

C.

Hypertension

D.

Diphtheria

Correct option is D

Contagious diseases spread from person to person in several ways. One way is through direct physical contact, like touching or kissing a person who has the infection. Another way is when an infectious microbes travels through the air after someone nearby sneezes or coughs.

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