2017 · Paper V · 10 marksFrequently asked

Describe the most common protozoan diseases, causative agents and preventive measures.

In short

The most common protozoan diseases are malaria (Plasmodium, spread by Anopheles mosquitoes), amoebiasis (Entamoeba histolytica), kala-azar (Leishmania donovani, spread by sandflies) and giardiasis (Giardia lamblia). They are prevented through safe water and sanitation, mosquito nets and source reduction, and early diagnosis under the National Strategic Plan for Malaria Elimination (2023-2027).

Model answer

Ghissu Editorial · Verified 4 Oct 2026

Introduction
Protozoan diseases such as malaria and amoebiasis remain major public health challenges in India’s tropical regions, with Andhra Pradesh exemplifying the need for coordinated institutional and community responses.
Institutional Framework
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National Malaria Elimination Programme

India’s 2023-2027 strategic plan includes Andhra Pradesh’s Intensified Malaria Elimination Project (IMEP)-31 to reduce malaria through vector control and treatment.

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Integrated Disease Surveillance Programme (IDSP)

This central scheme supports outbreak monitoring and timely interventions in Andhra Pradesh.

Challenges
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Vector-Borne Transmission Complexity

Malaria’s life cycle involving humans and mosquitoes complicates control, with rural Andhra Pradesh facing logistical and behavioural hurdles.

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Water and Food Contamination

Amoebiasis caused by Entamoeba histolytica spreads through contaminated water and food, aggravated by poor sanitation in Andhra Pradesh.

Preventive Measures
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Personal Hygiene and Sanitation

Public health drives in Andhra Pradesh promote boiled water consumption and waste disposal to prevent amoebiasis.

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Vector Control and Protection

Mosquito nets, repellents, and environmental management are actively encouraged through state health programmes.

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Health Education and Awareness

Community initiatives educate people on protozoan disease symptoms and prevention to encourage early treatment.

Way Forward
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Strengthen Surveillance Systems

Enhance real-time monitoring in Andhra Pradesh for rapid outbreak response.

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Expand Access to Diagnostics and Treatment

Improve healthcare infrastructure and drug availability in rural areas.

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Promote Community-Led Vector Control

Empower local communities with training and resources.

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Integrate Disease Control with Sanitation Schemes

Link protozoan prevention with initiatives like Swachh Andhra.

Conclusion
Coordinated institutional frameworks, preventive measures, and community participation are vital to controlling protozoan diseases in Andhra Pradesh.

This model answer is indicative and the model can make mistakes; please verify key facts independently.

Hand-drawn diagram: Malaria vs Amoebiasis. Malaria vs Amoebiasis. Comparison of Malaria and Amoebiasis
Diagram: Malaria vs Amoebiasis

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Question from the official APPSC Group-I Mains 2017 paper. Answer written by Ghissu's engine and checked against our editorial standards. Found an error? Tell us and we correct it within 48 hours.

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