Q.

Which of the following disease is / are likely to spread in the entire community if a leaky septic tank contaminates the water supply ?
I. Cholera
II.Typhoid
III. Tuberculosis
IV. Leprosy Of the following four
Which one is correct?
(a)I alone
(b)I and II Right sign
(c)I, II and Ill
(d)II, III and IV
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