新冠疫情高频词汇、病毒相关VirUS新型冠状病毒novel COrOnaVirUS肺炎 PneUmOnia新型冠状病毒感染的肺炎：PneUmOnia CaUSed by the novel COrOnaVirUS/ novel COrOnaVirUS-CaUSed PneUmOnia病原体PathOgen中间宿主 intermediate host传染源 SOUrCe Of infection二代病例SeCOndary infection CaSe *二代病例：指被一代病例感染的 本土病人隐性感染asymptomatic infection隐性感染：指感染了病毒，但无明显症状的病例潜伏期 incubation rkju,bejh PeriOd二、传播相关SPread传播途径 route Of transmission飞沫传播 droplet transmission气溶胶传播 aerosol transmission接触传播 COntaCt transmission垂直传播 VertiCal tran
