一起新型冠状病毒无症状感染者相关聚集性疫情的流行病学调查

徐军, 李静娟

Epidemiological investigation of an aggregation epidemic associated withan asymptomatic patient with novel coronavirus 2019 infection

XU Jun, LI Jing-juan

实用预防医学 . 2020, (7): 787 -789 . DOI: 10.3969/j.issn.1006-3110.2020.07.006