Federal health officials and their colleagues in Illinois today reported the first instance of human-to-human novel coronavirus (2019-nCoV) transmission in the United States, involving the husband of an earlier confirmed case in Illinois, marking the nation’s sixth case.

At a media telebriefing today, Robert Redfield, MD, director us the Centers for Disease Control and Prevention (CDC) said detection of a human-to-human case was expected and that nine similar cases have been reported in other countries outside of China.

He said close personal contact, which applies to the two Illinois patients, poses a risk of spread, but the vast majority of Americans aren’t at risk, because they haven’t traveled to China recently.

Patients had extended close contact

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