鉴于           jiànyú                  in consideration of; since; because

迫在眉睫   pò zài méijié        imminent; be hanging over one's head; extremely urgent

流行           liúxíng                epidemic

着重           zhuózhòng          emphatically; in particular

感染           gǎnrǎn                 infect; be infected with

预警系统   yùjǐng xìtǒng       early warning system

机制           jīzhì                    mechanism