First discovered in Uganda’s Zika forest in 1947, the virus was long thought to be relatively benign, especially comparedwith deadly mosquito-borne diseases like malaria. But since its invasion in Brazil last year, the Zika virus has torn throughLatin America, likely infecting millions. It certainly has caused more than 1,000 confirmed cases of the birth defectmicrocephaly. Zika also appears to be linked to neurological and autoimmune disorders like the paralyzing Guillain-Barresyndrome, and experts recently determined that is can also be transmitted through sex—a first for a mosquito-borne disease.Some scientists suspect the virus has mutated and that is why it can now cause neurological problems, while others say thesetragic side effects may have gone unnoticed for years.
41. Which of the following statements is NOT true about the Zika virus?
(A) Its devastating power is far beyond our previous surmise.
(B) It has become more killing now because it has undergone mutation.
(C) It is the first mosquito-borne disease which can disseminate by sex.
(D) Pregnant women would suffer most stress because of this virus.
(E) Scientists used to think the virus is not that malignant.