43. What can the readers infer from the passage? (A) Scientists have learned more about the Zika virus and thus vaccine is on the way. (B) The Zika virus still poses as a mystery for scientists. (C) People in Latin America are more vulnerable to the Zika virus because of their hereditary autoimmune disorder. (D) Africans are more resistant to the power of the Zika virus. (E) There is a medical suggestion about being abstain from sex.