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How to Read Vaccine Vial Monitors (VVMs) — A Guide for Health Workers

Proper interpretation of Vaccine Vial Monitors (VVMs) is essential to ensure that every vaccine administered is safe, potent, and protected throughout the cold chain. In this training video, we explain what VVMs are, how they work, VVM types (2, 7, 14, 30), and how healthcare workers can correctly assess vaccine viability by observing the inner square and outer circle.

📌 What you’ll learn in this video:
• What is a Vaccine Vial Monitor?
• How to read and interpret VVM color changes
Placement of VVMs on vaccine vial

This is an essential skill for ANMs, nurses, cold chain handlers, vaccinators, and public health staff working under UIP / EPI, outreach sessions, and routine immunization services.