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World Health Organization (WHO): Full Form, History, Role & Function

13-June-2026, 16:55 IST

By Kalpana Sharma

Founded on April 7, 1948, the World Health Organization (WHO) is a specialized agency of the United Nations, which is responsible for promoting public health, improving healthcare systems worldwide and keeping the world safe from pandemics, global health threats and health crises.

world health organization

Founded on April 7, 1948, the World Health Organization (WHO) is a specialized agency of the United Nations, which is responsible for promoting public health, improving healthcare systems worldwide and keeping the world safe from pandemics, global health threats and health crises. The World Health Organization was officially established on 7 April 1948 when its constitution was passed by 61 members of the United Nations. Many countries felt the need for a singular health organization to manage health-related concerns worldwide. Earlier, many fragmented health bodies existed, which resulted in a fractured global health response.

The World Health Organization (WHO) is a specialized agency of the United Nations responsible for promoting global health and coordinating responses to international health issues and emergencies. Headquartered in Geneva, Switzerland, WHO operates through 6 regional offices and more than 150 country and field offices to support healthcare efforts worldwide. The WHO organization leads international responses to health challenges in the world, and takes care of international funding and medical supplies for regions with limited resources. It also generated strict guidelines to heal from medical issues and advises countries on healthcare financing.

What is World Health Organization (WHO)?

The full form of WHO Stands for World Health Organization. WHO is the specialized agency of the United Nations that is responsible for international health affairs. Headquartered in Geneva, Switzerland, the WHO connects 194 member states to combat diseases, set global health standards and coordinate responses to health emergencies. The World Health Organization issues guidelines on overcoming health problems, regulates international fundings and ensures economically backward regions receive sufficient medical supplies and resources. The Chief Executive Officer (Director-General) of the World Health Organization (WHO) is Dr Tedros Adhanom Ghebreyesus, who leads global health initiatives, strengthening healthcare systems and coordinating international emergency responses during health crises.

How Does the World Health Organization define Health?

According to the World Health Organization (WHO), health is a state of complete physical, mental, and social well-being, and not merely the absence of disease or infirmity. This definition emphasises that true health includes overall quality of life and the ability to lead a productive and fulfilling life. It also highlights the importance of maintaining balance, adapting to challenges, and promoting healthy lifestyles within communities.

History of World Health Organization

The World Health Organization was established when countries understood the need for a singular and independent health organization. Earlier, countries collaborated through fragmented organizations which led to a fractured global health response. Let’s take a look at the History of World Health Organization: -

Early Initiatives

Before the World Health Organization, nations collaborated through fragmented organizations such as the International Sanitary Conferences, the Pan American Sanitary Bureau and the League of Nations Health Organisation.

Post World War Era

After World War 2 countries recognized that a fractured global health system was no longer sufficient. Therefore, during the founding of the United Nations, delegates from Brazil and China argued that global security required establishing an independent health organization.

Establishment of WHO

The Constitution of the WHO was drafted and signed by 61 countries at the International Health Conference on 22 July 1946. The World Health Organisation formally began operations on 7 April 1948. April 7 is celebrated annually worldwide as World Health Day.

What is the Contribution of World Health Organization in India?

The World Health Organization (WHO) has significantly contributed to improving public health in India. It has supported polio eradication, tuberculosis control, immunization programs, maternal and child health initiatives, and disease surveillance systems. WHO also provides technical guidance, strengthens healthcare policies, and assists India in responding effectively to public health emergencies and outbreaks. The World Health Organization (WHO) has made significant contributions to improving public health in India through the following initiatives: -

  • Polio Eradication: Supported nationwide immunization campaigns that helped India achieve polio-free status.
  • Tuberculosis Control: Assisted in implementing effective strategies for the prevention, diagnosis, and treatment of tuberculosis.
  • Maternal and Child Health: Promoted programs aimed at reducing maternal and infant mortality and improving healthcare services.
  • Disease Surveillance: Strengthened systems for monitoring, detecting, and responding to disease outbreaks and public health emergencies.
  • Healthcare Policy Support: Provided technical expertise and guidance to develop and improve national health policies and programs.

What are the Objectives of World Health Organization?

The World Health Organization aims to promote health through universal healthcare initiatives to ensure everyone has access to medical services, keeping the world safe from health challenges and conducting research in the field of health. Let’s take a look at the objectives of the World Health Organization: -

1. Promote Health

The World Health Organization aims to promote health by running universal healthcare initiatives to ensure everyone has access to medical services without financial limitations. The WHO organization also spreads awareness through campaigns so that people remain educated about various health-promoting behaviours. In addition, findings from the National Family Health Survey are often used to understand population health trends and inform the development of effective public health strategies and interventions.

2. Keep the World Safe

The World Health Organization keeps the world safe by coordinating international defenses against health crises, tracking outbreaks and managing global health emergencies. The WHO organization acts as a shield against health emergencies, failures and environmental hazards.

3. Serve the Vulnerable

The World Health Organization prioritises women, children and communities in crisis prone areas by delivering essential healthcare, vaccines and maternal support. It ensures that the world’s most marginalized and isolated populations receive equitable access to lifesaving healthcare.

4. Global Authority

The World Health Organization acts as the global authority on international health work and serves as a specialized agency of the United Nations. It sets global standards and norms that every country relies upon to run its healthcare system. The WHO organization also uses its authority to secure immediate scientific attention, mobilize resources, and obtain funding to address global health challenges.

5. Informed Policy

The World Health Organization promotes and conducts research in the field of health to gain information. Informed policy is the operational strategy of the WHO, which converts raw health data and scientific research into health guidelines.

Role and Function of World Health Organization (WHO)

The World Health Organization has various functions such as directing global health, mobilizing resources, partnering with governments, strengthening health systems and formulating health guidelines. Let’s take a look at the role and function of World Health Organization: -

1. Directing Global Health

The World Health Organization directs global health by leading international responses to health crises and coordinating health frameworks. The WHO also works on implementing international health laws, ensuring all nations follow a unified legal standard during challenges.

2. Mobilizes Resources

The World Health Organization mobilizes resources by organising rallies, international funding and medical supplies for economically backward regions. It also conducts mass drug and vaccine donations in impoverished regions.

3. Partners with Governments

The World Health Organization collaborates with ministries of health, NGOs and the UN to integrate health into global policies. It helps sovereign states strengthen their national policies, laws and emergency response frameworks.

4. Formulates Guidelines

The WHO formulates guidelines for treating conditions ranging from HIV Aids to mental health disorders. It provides evidence-based step-by-step medical and public health instructions and ensures that these are globally adopted.

5. Strengthens Health System

The World Health Organization strengthens health systems by advising countries on healthcare financing, workforce training and infrastructure development. It drives global strategies to recruit, train and retain doctors, nurses and health workers to address shortages.

Conclusion

The World Health Organization is an international agency that was established on 7 April 1948. WHO was founded by the member states of the United Nations, as the earlier health organizations were fragmented, and there was a need for an independent health organization. The World Health Organization is responsible for serving the vulnerable, keeping the world safe from health challenges, being the singular global authority for international health work and promoting health through spreading awareness about various diseases and health-promoting behaviours.