The 5 Most-Expensive American Cars of 1977. With a base price of $11,396, the Lincoln Continental Mark V was only the 4th most-expensive American-brand car available in 1977. It was the Brits who first used the term âYank Tankâ to describe the cars produced by American auto builders.
You may also wonder how long it takes to get sick after you have been exposed and how long you are contagious when you have it. Flu Incubation Period. The typical flu incubation periodâthe time between exposure and the start of symptomsâis between 24 hours and four days, with the average being two days. This means that if you are exposed to the influenza virus and become infected, you will start to experience flu symptoms anywhere between 24 hours and four days after the exposure.
People also catch the flu by touching surfaces with the virus on them and then touching their eyes, nose or mouth. After exposure to the flu virus, many people begin to experience symptoms within one to seven days. The flu often spreads rapidly within groups, reports MedlinePlus. Once it arrives in a school, students get sick within two to three weeks. A high fever, between 102 and 106 degrees Fahrenheit, is often the first sign of the flu.