Shingles is caused by the varicella-zoster virus-the same virus that causes chickenpox. After recovery from chickenpox, the virus remains in the body and lies dormant in the central nervous system. Over half of all shingles cases occur in people over the age of 60, with the burden of illness twice as high in people over 70, compared to people aged 60-69 years old. 2  4,18. 3  Shingles in caused by the same virus that causes chickenpox-varicella-zoster virus.
The Federal Aviation Administration (FAA) of the United States is a national authority with powers to regulate all aspects of civil aviation.
Government regulatory agencies enforce air safety rules in many ways: 1  Government pilots go for check rides to observe pilots while they are flying. 2  Agencies review airline training programs, and audit maintenance records, production facilities and airport security methods.