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Measles cases are on the rise globally and here in Illinois the number is increasing as well. Vaccines are 97% effective in preventing this highly contagious disease.  To learn more about this infection and get information on vaccination, go to  Learn how to identify measles and the safe and effective vaccine that can prevent this potentially life-threatening infection for adults and children. 

Zika Information Center


Zika and dengue testing guidelines (updated November 2019)

Communication Resources

For Travelers

In 2018 and 2019, no local mosquito-borne Zika virus transmission has been reported in the continental United States.

If you are travelling outside of continental United States, see Zika Travel Information to learn about your destination.

Prevent mosquito bites when travelling:

  • Use Environmental Protection Agency (EPA)- registered insect repellent to protect yourself and your family from mosquito bites
  • Wear long sleeved shirts and long pants
  • Treat clothing and gear with permethrin or buy permethrin-treated clothing and gear 

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