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.
At the same time, the FAA is responsible for the safety regulation of all US aviation activities, including ATM. For this purpose, an ATM Safety Oversight organisation has been established within the regulatory division of the FAA with responsibility for oversight of the safety of the ATOâs operations and activities.