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Current Affairs Pulse

Environment9 Apr 2026

One Health Approach: Integrating Human, Animal, and Environmental Well-being

9 sections below — scroll or usetocto jump
  • 1

    The One Health approach recognizes the intrinsic link between human, animal, and environmental health.

  • 2

    It advocates for collaborative, multi-sectoral efforts to address complex health challenges that transcend traditional boundaries.

  • 3

    Key issues tackled include zoonotic diseases, antimicrobial resistance (AMR), food safety, and environmental degradation.

  • 4

    This integrated framework is crucial for global health security, pandemic preparedness, and achieving sustainable development goals.

  • One Health is a collaborative, multi-sectoral, and trans-disciplinary approach.
  • It aims to achieve optimal health outcomes by recognizing the interconnectedness of people, animals, plants, and their shared environment.
  • Addresses threats like zoonoses, antimicrobial resistance, food safety, and environmental pollution.
  • The concept has gained significant prominence, especially in the wake of global pandemics like COVID-19.
The One Health approach is crucial for preventing and responding to emerging infectious diseases, as approximately 75% of new human infectious diseases are zoonotic (originating in animals). It is essential for combating Antimicrobial Resistance (AMR), a growing global health crisis affecting both humans and animals, by promoting responsible use of antimicrobials across sectors. Furthermore, it supports food security and safety by managing animal diseases and environmental contaminants, and promotes sustainable development by integrating ecological health into public policy, thereby safeguarding biodiversity and mitigating climate change impacts.

One Health Approach

One Health is a unifying approach that seeks to balance and optimize the health of people, animals, and ecosystems. It acknowledges that the health of each is inextricably linked and interdependent. This framework encourages communication, cooperation, and coordination among professionals from diverse fields like medicine, veterinary science, environmental science, public health, and agriculture. It moves beyond siloed thinking to address complex global challenges that transcend traditional boundaries, fostering a holistic perspective on health and well-being.

Simple Analogy: Imagine a garden where the soil, plants, and insects are all connected. If the soil becomes unhealthy, the plants suffer, and the insects that rely on those plants also suffer. Similarly, if one part of the human-animal-environment triad is unhealthy, it inevitably impacts the others, highlighting the need for a unified approach to maintain overall health.

World Health Organization (WHO)

Leads global health efforts, including zoonotic disease surveillance, pandemic preparedness, and combating AMR.

Head: Tedros Adhanom GhebreyesusHQ: Geneva, Switzerland

Food and Agriculture Organization (FAO)

Focuses on food security, animal health, sustainable agriculture, and preventing foodborne illnesses.

Head: Qu DongyuHQ: Rome, Italy

World Organisation for Animal Health (WOAH, formerly OIE)

Sets international standards for animal health and welfare, and coordinates global efforts to control animal diseases.

Head: Monique Eloit (Director General)HQ: Paris, France

United Nations Environment Programme (UNEP)

Addresses environmental aspects, biodiversity conservation, climate change, and pollution, recognizing their impact on health.

Head: Inger Andersen (Executive Director)HQ: Nairobi, Kenya

India's National One Health Mission

To integrate disease surveillance, research, and capacity building across human, animal, and environmental sectors in India.

Key: Aims to establish a robust framework for preventing, detecting, and responding to zoonotic and other emerging infectious diseases through inter-ministerial coordination.

National Action Plan for Antimicrobial Resistance (NAP-AMR)

To combat the rising threat of antimicrobial resistance in India.

Key: Adopts a comprehensive 'One Health' approach, involving human health, animal health, and environmental sectors to promote responsible antimicrobial use and reduce resistance.

Integrated Disease Surveillance Programme (IDSP)

To strengthen disease surveillance in India for early detection and rapid response to outbreaks.

Key: Being enhanced to include more robust surveillance for zoonotic diseases, aligning with One Health principles.

Climate Change

Alters ecosystems, leading to new disease vectors, shifts in animal populations, and increased human-wildlife interaction, thereby heightening zoonotic disease risk.

Biodiversity Loss

Reduces ecosystem resilience and can bring humans into closer contact with wildlife, facilitating pathogen spillover events.

Sustainable Development Goals (SDGs)

Directly contributes to several SDGs, including Good Health and Well-being (SDG 3), Zero Hunger (SDG 2), Clean Water and Sanitation (SDG 6), and Life on Land (SDG 15).

Food Security and Safety

Ensures safe food supply by managing animal diseases, preventing foodborne pathogens, and monitoring environmental contaminants in the food chain.

Exam Relevance

upsc

GS-II (Health, Government Policies & Interventions), GS-III (Environment, Biodiversity, Disaster Management, Science & Technology - Developments and their applications and effects in everyday life)

ssc

General Awareness (Science & Technology, Environment, Government Schemes)

banking

General Awareness (Current Affairs, Government Policies, Health & Environment)

railway

General Science (Biology, Health), General Awareness (Environment, Current Affairs)

defence

General Awareness (Current Events, Science & Technology, Environment)

Previously Asked (PYQs)

UPSC_PRELIMS 2016

What is/are the importance/importances of the United Nations Convention to Combat Desertification? 1. It aims to promote effective action through innovative national programmes and supportive international partnerships. 2. It has a special/particular focus on South Asia and North Africa regions, and its Secretariat facilitates the allocation of major portion of financial resources to these regions. 3. It is committed to bottom-up approach, encouraging the participation of local people in combating the desertification. Select the correct answer using the code given below.

Answer: 1 and 3 only

UPSC_PRELIMS 2022

With reference to Indian laws about wildlife protection, consider the following statements: 1. Wild animals are the sole property of the government. 2. When a wild animal is declared protected, such animal is entitled for equal protection whether it is found in protected areas or outside. 3. Apprehension of a protected wild animal becoming a danger to human life is sufficient ground for its capture or killing. Which of the statements given above is/are correct?

Answer: 1 and 2

UPSC_PRELIMS 2018

Consider the following statements: 1. The Food Safety and Standards Act, 2006 replaced the Prevention of Food Adulteration Act, 1954. 2. The Food Safety and Standards Authority of India (FSSAI) is under the charge of Director General of Health Services in the Union Ministry of Health and Family Welfare. Which of the statements given above is/are correct?

Answer: 1 only

Expected Questions

  • UPSC Mains: 'Discuss the significance of the One Health approach in addressing contemporary global health challenges, particularly in the context of zoonotic diseases and antimicrobial resistance, with reference to India's initiatives.'
  • UPSC Prelims: Statement-based questions on the core principles, pillars, or associated international bodies of the One Health approach.
  • SSC/Banking: Direct factual questions on the definition of One Health, the international organizations forming the Quadripartite Alliance, or India's related policies.

historyTopic Frequency

Increasingly frequent, especially post-COVID-19, due to its critical relevance to pandemic preparedness, global health security, and sustainable development.

Key Terms

Zoonotic Diseases

Infectious diseases that can be transmitted from animals to humans.

Antimicrobial Resistance (AMR)

The ability of microorganisms (like bacteria, viruses, fungi, and parasites) to stop an antimicrobial (like antibiotics, antivirals, and antifungals) from working against it.

Spillover Event

The transmission of a pathogen from an animal host to a human host.

Quadripartite Alliance

The collaborative partnership between WHO, FAO, WOAH, and UNEP to advance the One Health approach globally.

priority_highMust Remember

  • One Health is not just about human health; it's the intersection of human, animal, and environmental health.
  • It is a collaborative, multi-sectoral, and trans-disciplinary framework.
  • Key challenges addressed include zoonotic diseases, AMR, and environmental health threats.
  • The Quadripartite Alliance (WHO, FAO, WOAH, UNEP) is central to global One Health efforts.

tips_and_updatesExam Tips

  • Understand the core concept and its practical applications in various fields (health, agriculture, environment).
  • Memorize the key international organizations involved and their specific roles.
  • Be aware of India's initiatives and policies that align with the One Health approach.
  • Connect One Health to broader topics like climate change, biodiversity, and sustainable development.
Question 1 of 5Score: 0/0
Factual

Which of the following international organizations is NOT part of the Quadripartite Alliance for the One Health approach?

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