2019新型冠状病毒（现被命名为SARS-CoV-2，可引起疾病COVID-19）疫情已从武汉蔓延至中国各地，并且正输出至越来越多的国家，其中一些国家已发生进一步传播。抗击疫情的早期工作侧重于明确临床病程、确定重度病例数和治疗患者。我们在中东呼吸综合征（MERS）、流感大流行和其他疫情中累积的经验表明，随着疫情的发展，我们迫切需要扩大公共卫生工作的范围，从而阐明这一新型病毒的流行病学和确定其潜在影响。疫情产生的影响取决于感染者人数、感染的传染性和临床严重程度范围。
作者信息
Marc Lipsitch, D.Phil., David L. Swerdlow, M.D., and Lyn Finelli, Dr.P.H.
From the Center for Communicable Disease Dynamics, Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston (M.L.); Medical Development and Scientific/Clinical Affairs, Pfizer Vaccines, Collegeville, PA (D.L.S.); and the Center for Observational and Real-World Evidence, Merck, Kenilworth, NJ (L.F.).
参考文献
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