Older children and adults usually build up immunity to the disease. Hand, foot, and mouth disease is rare in people older than 10. However, infection is still possible, especially among adults with compromised immune systems.
Presidents Theodore Roosevelt and Franklin Delano Roosevelt were fifth cousins, and a look back into the genealogical charts of the presidential office find numerous family connections. FDR, in fact, was related to 11 former presidents, the most of anyone on the list, according to History.com.
The Eleanor Roosevelt Papers Project is a university-chartered research center associated with the Department of History of The George Washington University. Franklin Delano Roosevelt was born on January 30, 1882 at his parents' estate in Hyde Park, New York. His parents were members of the New York aristocracy.