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Emergence of COVID-19 Among Consortium Sites
| Location | Date of first COVID-19 case in state/province | State and provincial “stay-at-home” orders |
|---|---|---|
| Seattle, WA | January 21, 2020 | March 23, 2020 |
| Toronto, ON, Canada | January 25, 2020 | March 17, 2020 |
| San Francisco, CA | January 26, 2020 | March 19, 2020 |
| New York, NY | March 1, 2020 | March 22, 2020 |
| Washington DC | March 5, 2020 | March 16, 2020 |
| Denver, CO | March 5, 2020 | March 26, 2020 |
| Columbus, OH | March 9, 2020 | March 23, 2020 |
