The McHenry County Department of Health is urging residents to take extra precautions to reduce the spread of the highly contagious respiratory illness.
Make sure everyone in the household is up to date on proper pertussis vaccinations. Infants and children should be vaccinated at two, four, six and 12-15 months as well as between ages four and six. A ...
Pertussis, also known as whooping cough, is a "highly contagious acute respiratory illness" that starts with mild symptoms, Goldstein said. Infected individuals later develop a severe cough that can ...