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Two Measles Cases Confirmed in Cook County, Prompting Public Health Response

Health officials identify exposure sites and urge vaccination after cases linked to travel and unknown vaccination status.

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An illustration provides a 3D graphical representation of a spherical-shaped, measles virus particle studded with glycoprotein tubercles in this handout image obtained by Reuters April 9, 2019.  Centers for Disease Control and Prevention (CDC)/Handout via REUTERS/ File Photo
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Overview

  • Two measles cases have been confirmed in Cook County: one in a Chicago resident who traveled internationally through O'Hare Airport and another in a suburban resident with unknown vaccination status.
  • The Chicago case involves an individual who developed a rash on April 25 and has been isolating at home since diagnosis, while the suburban case was hospitalized on April 28 and quickly isolated.
  • Authorities have identified multiple potential public exposure sites, including O'Hare Airport, a Chicago public library branch, and local businesses in Lyons, Stickney, and Berwyn.
  • Health departments are conducting contact tracing and notifying individuals who may have been exposed, urging them to monitor for symptoms and confirm their vaccination status.
  • Officials emphasize the importance of the MMR vaccine, which is 97% effective after two doses, and are offering free vaccinations at local clinics to prevent further spread.