試題詳解

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(A) It has not mutated to become more infectious or more dangerous, instead the answers are entirely human.
(B) Outbreaks have also hit Brazil, Pakistan and Yemen, causing many deaths — mostly among young children.
(C) Italy banned children under six from attending schools unless they had received vaccines for chickenpox, measles and other illnesses.
(D) Those promoting vitamin IV drips claim they can boost energy, strengthen the immune system, improve skin, cure hangovers, burn fat, fight jet lag, and cure a myriad of other minor ailments. (AB) This is because clusters of people are choosing not to vaccinate their children due to the spread of untrue anti-vax messages on social media. (AC) The agency said actual numbers may be far greater, since only one in ten cases globally is reported. (AD) Women trying to conceive and women in the first 12 weeks of their pregnancy are recommended to take folic acid supplements, which reduce their child's risk of neural tube defects such as spina bifida.