Which of the following is a responsibility of the pharmacist regarding vaccine storage?

Ensuring proper refrigeration is a critical responsibility of the pharmacist regarding vaccine storage. Vaccines often contain biologics that can be sensitive to temperature fluctuations. Maintaining the recommended temperature ensures the efficacy and safety of vaccines. If vaccines are not stored at the appropriate temperatures, their potency can be compromised, which could lead to ineffective immunizations and potential health risks for patients.

While determining vaccine prices, organizing promotional events, and examining a patient's medical history are relevant activities within a healthcare setting, they do not directly relate to the storage and handling of vaccines. Proper refrigeration is essential to guarantee that vaccines remain effective and ready for administration when needed.