【lououlei】評論
varicella can be transmitted by air droplet according to WHO POSITION PAPER 2014therefore i think , all OF THE ABOVE CHOICES can be transmitted by droplet. SO suggested the answer should be " 以上皆非" .
【Tina Pon】評論
飛沫(droplet)傳染疾病 (A)腮腺炎(Mumps)(B)鏈球菌性肺炎(Streptococcal pneumonia) (D)百日咳(Pertussis)空氣傳染(C)水痘(Varicella)