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About us

The Vaccine Impact Modelling Consortium (VIMC) is an international community of modellers providing high-quality estimates of the public health impact of vaccination, to inform and improve decision making.

By 2027, our core aims are:

  • to provide reliable and accessible estimates of vaccine impact across the Gavi portfolio

  • to address critical modelling-related vaccine policy questions raised by stakeholders who are dynamically engaged in our work

  • to translate our modelling to real-world policy that improves health outcomes

  • to foster a diverse international community of vaccine impact modellers, inclusive of modellers in low- and middle-income countries

  • to provide training in infectious disease modelling and its application to vaccine-preventable diseases for both modellers and policymakers.


Specific aims of our research programme on climate change are:

  • to better characterise the mechanistic relationship between environment, climate and disease transmission

  • to assess implications of long-term climate change for disease burden, range and routine vaccination

  • to optimise control programmes to respond to seasonal variation in disease burden and the consequences of increasingly frequent extreme climate events.


VIMC is now in its second phase – VIMC 2.0 – from 2022 – 2027, focused on the goals above. VIMC’s first phase – VIMC 1.0 – ran from 2016 – 2022. This phase focused on delivering a more sustainable, efficient, and transparent approach to generating estimates of disease burden and vaccine impact, for Gavi investments.

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