Staphylococcus aureus (. ) is a bacterium that commonly colonises human skin and mucosa without causing any problems. It can also cause disease, particularly if there is an opportunity for the bacteria to enter the body, for example through broken skin or a medical procedure.
Structure of Social Security Numbers. A Social Security Number (SSN) consists of nine digits, commonly written as three fields separated by hyphens: AAA-GG-SSSS. The first three-digit field is called the area number. The central, two-digit field is called the group number. The final, four-digit field is called the serial number.
The public Social Security Death Index from the United States Social Security Administration (SSA) currently contains over 89 million death records and is updated weekly. The index is created from records of deceased persons possessing U.S. Social Security numbers, whose deaths were reported to the Social Security Administration.