Accu-Chek Aviva Owner's Booklet page 76

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5. For disinfecting the meter, get a new wipe or
cloth. Repeat steps 2 and 3 following the
manufacturer's instructions for disinfecting.
NOTE
Roche has tested the approved products for a total of 520 cycles, which is equal to cleaning and
disinfecting once per week for a 5 year period.
6. Wash hands thoroughly with soap and water.