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.
Tybee Island. Savannah lies just south of the South Carolina border, and Tybee Island serves as the cityâs beach. Recognized as one of Georgiaâs finest beaches, its history goes back to when Savannah residents went to Tybeeâs South Beach in their finest clothes for social activities.