Started Jan 28, 2020 06:00PM UTC   •   Closed Feb 28, 2020 07:59AM UTC

Private Superforecasting Workshop asks:

How many U.S. states will the CDC report as having had a confirmed case of Wuhan coronavirus (2019-nCoV) as of 28 February 2020?

The first case of Wuhan coronavirus in the U.S. was confirmed in Washington state in mid-January 2020 (WebMD, USAToday). As of 27 January 2020, the Centers for Disease Control and Prevention (CDC) reported cases in four states (Arizona, California, Illinois, and Washington). The outcome will be determined based on data provided by the CDC for 28 February 2020 and inclusive of fatalities reported before this question's launch (CDC). For the purposes of this question, the District of Columbia is considered a state.

NOTE 24 February 2020: We are aware that the CDC stopped providing the map depicting states with cases late last week. We have been in contact with the CDC seeking more information about their plans for future reporting. However, the threshold hasn't changed and data from the CDC will continue to be the controlling source for the resolution of this question.

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The question closed "Between 5 and 11" with a closing date of 29 February 2020.

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