An international research program on the associations between weather and health

  • The MCC network

    Currently including data on temperature and daily mortality on 500 cities/communities from 29 countries, representing a wide range of climates worldwide.

  • Mortality attributable

    Global assessment of the health effects of temperature on mortality, exploring the increased health risks and impact associated with both high and low temperature across various climates and populations.

    (Gasparrini et al. Lancet 2015)

  • Climate change projections

    Climate change projections of temperature-related health impacts under various scenarios of climate change and different assumptions of adaptation and population changes, coupled with the assessment of the potential effects of alternative mitigation strategies.

    (Gasparrini et al. Lancet Planet Health 2017)


The Multi-City  Multi-Country (MCC) network is an international collaboration of research teams working on a program aiming to produce epidemiological evidence on associations between weather and health. Interest on this topic has grown in the last few years among both researchers and the general public, due to recent events of extreme weather and alarming climate change scenarios, both linked with increased health risks.

The research program  benefits from the use of the largest dataset ever assembled for this purpose, including information from hundreds of locations within several countries. This allows standardized analyses on local data to address specific research questions on global weather-health associations, following a formalized yet flexible method of collaboration. The MCC network has developed during the years, through correspondence between the participants and additional meetings held at other scientific conferences.

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