Smallpox was eradicated in 1970s. What was the ‘great pox’ which remains active...? Mcqs

Smallpox was eradicated in 1970s. What was the ‘great pox’ which remains active...?

(A) Bubonic plague

(B) Syphilis

(C) Measles

(D) None

Source: This question is taken from the Everyday Science