The Florida Department of Health in Orange County is the county health department in Orange County, Florida, formerly known as Orange County Health Department, charged with protecting the health and safety of visitors and residents of that county. The estimated daytime population of Orange County is 1.5 million people. Orange County has an estimated 55 million visitors per year including the major theme parks of Walt Disney World, Universal Orlando, and SeaWorld. The county seat is Orlando, Florida. History A local physician, Dr. J.W. Hicks, worked in Orlando from the period of 1875 onward. Dr. Hicks served as a physician with the Orlando City Health Department in the 1880s, and was president of the Orange County Board of Health. He was the first of a line of health officers to serve in Central Florida, and one of many who have served in the state of Florida. He also served as president of the Florida Medical Association, circa 1887. Dr. Hicks and his colleagues, such as Dr. John Wall of Tampa, C.Y. Porter of Key West, and others, were instrumental in convincing the Florida Legislature of the necessity of organizing the first state board of health following devastating yellow fever epidemics in the 1800s. The Florida Board of Health began in Jacksonville in 1889. Dr. C.Y. Porter was the first leader of public health in the state of Florida. The oldest county health department in Florida was in Pensacola and dated from 1825. Orange County was a fairly rural county in the late 19th and early 20th centuries. It was the sixth leading county in the U.S. in agricultural production as recently as 1965. Orange County was originally a part of a much larger county known as "Mosquito County", when the state was added to the Union in 1845. Local county health departments were formed to help track and abate mosquito-borne diseases, organize local sanitation efforts, and provide basic immunizations and maternal and child health services. During the 1920s, tuberculosis was a leading cause of death in this community. The Orange County Health Department began during the Great Depression, in 1937, in the Old County Courthouse in downtown Orlando. There were also several outlying clinics which provided prenatal care, and well child care. The Orlando City Health Department continued in the former "Holiday Hospital", near the present-day Arnold Palmer Hospital for Children in Orlando. The Orlando City Health Department provided mainly