Supposedly there is a possible case in Pennsylvania but I have not been able to find any hard evidence on it yet.
| Arizona | confirmed |
| California | confirmed |
| Connecticut | 2 probable |
| Delaware | 4 possible |
| Florida (Orlando / Disney | 1 possible |
| Hawaii | possible cases |
| Idaho | out of 9 possible 3 were negative |
| Illinois | 1 probable (school closed) |
| Indiana | 1 |
| Iowa | possible |
| Kansas | confirmed |
| Maine | confirmed |
| Maryland | probable |
| Massachusetts | 2 confirmed |
| Michigan | confirmed |
| Minnesota | first probable case (2 school closings) |
| Nebraska | probable |
| Nevada | confirmed |
| New Jersey | 5 possible |
| New York | confirmed |
| North Carolina | suspect cases |
| Ohio | confirmed |
| Pennsylvania | probable |
| Rhode Island | 1 probable |
| South Carolina | 10 probable first story (2 probable) |
| Texas | 6 |
| Utah | possible |