The physical space of the MSK Library is permanently closed to visitors as of Friday, May 17, 2024. Please visit this guide for more information.
The physical space of the MSK Library is permanently closed to visitors as of Friday, May 17, 2024. Please visit this guide for more information.
As of December 19, 2024, a total of 284 measles cases were reported by 32 jurisdictions*:
| State | Cases | State | Cases |
| Arizona | 1-9 | New Mexico | 1-9 |
| California | 10-19 | New York City | 10-19 |
| District of Columbia | 1-9 | New York State | 1-9 |
| Florida | 10-19 | North Carolina | 1-9 |
| Georgia | 1-9 | Ohio | 1-9 |
| Idaho | 1-9 | Oklahoma | 1-9 |
| Illinois | 50-99 | Oregon | 20-49 |
| Indiana | 1-9 | Pennsylvania | 1-9 |
| Louisiana | 1-9 | South Carolina | 1-9 |
| Maryland | 1-9 | South Dakota | 1-9 |
| Massachusetts | 1-9 | Tennessee | 1-9 |
| Michigan | 1-9 | Vermont | 1-9 |
| Minnesota | 50-99 | Virginia | 1-9 |
| Missouri | 1-9 | Washington | 1-9 |
| New Hampshire | 1-9 | Wisconsin | 1-9 |
| New Jersey | 1-9 | West Virginia | 1-9 |
*Jurisdictions refer to any of the 50 states, New York City, and the District of Columbia. Data is updated weekly on Fridays..
Data source: CDC Measles Cases and Outbreaks
There have been 16 outbreaks (defined as 3 or more related cases) reported in 2024, and 70% of cases (198 of 284) are outbreak-associated. For comparison, 4 outbreaks were reported during 2023 and 49% of cases (29 of 59) were outbreak-associated.
On March 8 2024, the Chicago Department of Public Health (CDPH) identified its first case of measles since 2019. The case was identified in a resident at a new arrivals shelter in Pilsen and the City of Chicago is responding with a host of resources in order to protect residents at the shelter. The case of measles was identified in a young unvaccinated child.
The Chicago Measles Dashboard provides up to date information on measles cases in the city of Chicago, including information related to ages as well as school and community exposure locations.
*Dashboard is updated daily at 8am.Case counts include Chicago residents diagnosed with measles in 2024, and non-Chicago residents associated with the Chicago-based measles outbreak. All data are provisional and subject to change. Information is updated as additional details are received. The data shown reflect what is known to the Chicago Department of Public Health (CDPH) at the time when the numbers are updated.