A. 非典 B. 埃博拉 C. 肺炎
A. Public Health Experience of International Commission B. Public Health Emergency of International Concern C. PeopleHealth Effect of International City
A. quarantines B. permissions C. restrictions
A. under medical observation B. medical care C. operation
A. survival rate B. infection rate C. fatality rate
A. virus B. vaccine C. value
A. virus B. water C. sun
A. water transmission B. wind transmission C. droplet transmission
A. recycle B. disposable C. useless
A. Confirmed patient B. Suspected patient Close contact