Which of the following is not a guideline for the proper storage and handling of vaccines?

A. Follow infection control guidelines when preparing and administering vaccines
B. Store refrigerated vaccines between 35°F and 46°F (2°C and 8°C)
C. Rotate your supply of vaccines so those with the longest expiration date are used first
D. Prepare vaccines just prior to administration to the patient
E. Store frozen vaccines between -58°F and +5°F (-50°C and -15°C)

Answer: C