Remote temperature monitoring (RTM) is an important part of the cold chain system for vaccines to ensure their potency. This brief describes how the Ministry of Health (MOH) in Tanzania made a significant investment in cold chain equipment (CCE) for the vaccine supply chain and rapidly expanded vaccine availability, creating an opportunity to also invest in more proactive monitoring of CCE performance. The country’s experience so far with RTM demonstrates the promises and challenges of this technology, as well as highlights what factors should be considered when implementing or scaling up this monitoring approach to improve performance and manage risks.
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