World Health Day 2026: science protects lives and strengthens health systems in Yemen

07 April 2026, Aden, Yemen – The theme of World Health Day 2026, Together for Health, Stand with Science, celebrates the power of scientific collaboration to protect the health of people, animals, plants and the planet. The World Health Organization (WHO) in Yemen joins the global call to highlight the critical role of science and evidence-based action in protecting lives and sustaining health services.

World Health Day 2026 poster

Science is a lifeline In Yemen, where conflict, economic hardship and recurring health emergencies continue to strain the health system. From controlling disease outbreaks to ensuring access to essential health services, evidence-based interventions guide every aspect of the health response, saving lives and supporting communities when they are at their most vulnerable.

Across the country, WHO works closely with health authorities and partners to translate science into action. This includes strengthening disease surveillance systems, supporting laboratories, training thousands of health workers and delivering lifesaving medicines and supplies to health facilities. These efforts ensure that health decisions continue to be informed by data, expertise and global standards in the most challenging environments.

Science-driven approaches have been central to recent public health gains in Yemen. Immunization campaigns have reached millions of children, helping to stop the spread of vaccine-preventable diseases. Emergency response operations have enabled rapid detection and control of outbreaks of diseases such as cholera, dengue and measles. Continued investment in health workforce capacity and health system resilience is helping ensure that essential services remain available for millions of people.

“Science is at the heart of every lifesaving intervention in Yemen,” said WHO Representative in Yemen Dr Syed Jaffar Hussain. “From outbreak response to emergency care, evidence-based action allows us to reach those most in need. On this World Health Day, we call on partners and communities to stand with science and ensure that health services continue to reach every person, everywhere.”

This year’s global theme highlights the importance of the One Health approach, recognizing the interconnected health of people, animals and the environment. In Yemen, where climate-related risks and disease outbreaks intersect, strengthening science-based, multisectoral collaboration is essential to prevent and respond to health threats.

WHO is urging communities, partners and decision-makers to support science-led health action, promote accurate information, strengthen trust in public health guidance and invest in sustainable health systems.

On World Health Day and beyond, WHO reaffirms its commitment to working with partners across Yemen to ensure that science continues to guide the response, protect communities and build a healthier future for all.

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About WHO

Founded in 1948, the World Health Organization (WHO) is the United Nations agency dedicated to promoting health, keeping the world safe and serving the vulnerable. WHO leads global efforts to expand universal health coverage, coordinate responses to health emergencies and advance well-being for all.