Importation and Human-to-Human Transmission of a Novel Coronavirus in Vietnam

The emergence and spread of a novel coronavirus (2019-nCoV) from Wuhan, China, has become a global health concern.  Since the detection of the coronavirus in late December 2019, several countries have reported sporadic imported cases among travelers returning from China.  We report one family cluster of 2019-nCoV originating from a Chinese man.

On January 22, 2020, a 65-year-old man with a history of hypertension, type 2 diabetes, coronary heart disease for which a stent had been implanted, and lung cancer was admitted to the emergency department of Cho Ray Hospital, the referral hospital in Ho Chi Minh City, for low-grade fever and fatigue. He had become ill with fever on January 17, a total of 4 days after he and his wife had flown to Hanoi from the Wuchang district in Wuhan, where outbreaks of 2019-nCoV were occurring. He reported that he had not been exposed to a “wet market”(a market where dead and live animals are sold) in Wuhan.

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