Diagnosis and Screening: Differences between screening and diagnostic tests, case finding. Screening tests are not diagnostic tests. The primary purpose of screening tests is to detect early disease or risk factors for disease in large numbers of apparently healthy individuals.
Savannah's closest beach, Tybee Island, is a barrier island with a beach spanning five miles along the Atlantic Ocean and the Savannah River. Its history dates back before 1520 when Lucas Vasquez de Ayllon, a Spanish explorer, first claimed Tybee Island as a Spanish colony.
The airport is located seven nautical miles (8 mi, 13 km) northwest of the central business district of Savannah, a city in Chatham County, Georgia, United States. It had been known as Savannah International Airport, Travis Field and Chatham Field.