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.
Children may pass the virus for longer than 7 days. Symptoms start 1 to 4 days after the virus enters the body. Information about how long a person is contagious is available at How Flu Spreads.ever, chills, fatigue, body aches, sore throat, and headache are common symptoms of flu. Not everyone with flu will have a fever. The flu can cause mild to severe illness, and at times can lead to death. The flu is different from a cold. The flu usually comes on suddenly.