Zika is an emerging disease because it ____.
A)has never appeared in humans before
B)only appeared in humans in the last 10 years
C)has recently spread to new parts of the globe
D)has mutated to become more infectious
E)readily infects animals and people

Question

Quizplus · Accepted Answer

Zika has been known since 1947, but it has recently spread to new parts of the globe, making it an emerging disease.

Zika Is an Emerging Disease Because It ____