Park Ridge, Illinois. Park Ridge is a city in Cook County, Illinois, United States, and a Chicago suburb. The population was 37,480 at the 2010 census. It is located 15 miles (24 km) northwest of downtown Chicago. It is close to O'Hare International Airport, major expressways, and rail transportation.
The flu, (depending upon the strain of virus), can appear between 1 to 4 days after the virus enters the body. So it presents faster and harder than a cold. Rather than starting with nose or throat, it usually begins with a strong headache, body aches, painful to swallow, exhaustion and a high fever with chills.
Symptoms of the flu usually develop suddenly, about three days after being exposed to the virus. It depends on the type of virus you were exposed to, but typically it takes 12 to 72 hours, or up to 3 days, before you start feeling sick.