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Climate and health strategies must take vaccination into account

Nature Microbiology volume 8, pages 2215–2216 (2023)Cite this article

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Climate-driven shifts in temperature, precipitation and nutrient availability are altering the transmission and distribution of human, animal and plant pathogens. More than half of all infectious diseases that affect humans are aggravated by climate change, with low- and middle-income countries (LMICs) bearing a ten-times-higher burden of infectious diseases than their affluent counterparts1,2. Despite contributing little to its causes, LMICs are disproportionately vulnerable to the consequences of climate change, as they are situated in the world’s warmest regions, are heavily reliant on natural resources and have limited capacity to handle climate extremes3. These vulnerabilities, compounded by inequalities linked to gender, ethnicity and income, converge into a ‘perfect storm’ of climate-driven infectious disease challenges; another reminder that the climate crisis is a health crisis.

Rising temperatures and extreme weather events disrupt vaccine distribution, weaken health systems and displace populations, increasing the susceptibility of vulnerable communities to infectious disease outbreaks. This complicates the task of ensuring the consistent and equitable delivery of vaccines. In countries facing conflict and humanitarian crises, vaccination rates across both humans and livestock are often alarmingly low. Approximately one-fifth of zero-dose children, defined as those who have not received any routine vaccines, live in conflict settings4.

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Authors and Affiliations

  1. Gavi, The Vaccine Alliance, Geneva, Switzerland

    Nidhee Jadeja & Marta Tufet Bayona

  2. Science for Africa Foundation, Nairobi, Kenya

    Judy Omumbo & Thomas Kariuki

  3. Department of Geography, University of Ibadan, Ibadan, Nigeria

    Ibidun Adelekan

  4. Wits RHI, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

    Helen Rees

  5. Centre Suisse de Recherches Scientifiques en Côte d’Ivoire, Abidjan, Côte d’Ivoire

    Bassirou Bonfoh

Authors
  1. Nidhee Jadeja
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  2. Judy Omumbo
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  3. Ibidun Adelekan
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  4. Helen Rees
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  5. Bassirou Bonfoh
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  6. Thomas Kariuki
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  7. Marta Tufet Bayona
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Correspondence to Marta Tufet Bayona.

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Jadeja, N., Omumbo, J., Adelekan, I. et al. Climate and health strategies must take vaccination into account. Nat Microbiol 8, 2215–2216 (2023). https://doi.org/10.1038/s41564-023-01537-1

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