OCR A-Level Geography Geographical debates (03), June 2025: Question 13
33 marks · Hard difficulty · Extended Response
Evaluate the advantages and disadvantages of strategies used to respond to disease outbreaks.
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Question text
Evaluate the advantages and disadvantages of strategies used to respond to disease outbreaks.
[33]
Mark scheme
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Question Answer Mark Guidance
Evaluate the advantages and disadvantages of strategies 33 Indicative content
used to respond to disease outbreaks. AO1 x9 AO1 – 9 marks
AO2 x24
AO1 Demonstrating knowledge and understanding of strategies used to
Level 4 (7–9 marks) respond to disease outbreaks could potentially include:
Demonstrates comprehensive knowledge and understanding • Disease – any disease (communicable + non-
of strategies used to respond to disease outbreaks. communicable) considered.
• Disease outbreak – occurrence of cases of disease in
Level 3 (5–6 marks) excess of what would normally be expected in a defined
Demonstrates thorough knowledge and understanding of community, geographical area or season. The term
strategies used to respond to disease outbreaks. ‘outbreak’ to be considered broadly and at a variety of
scales.
Level 2 (3–4 marks) • Direct and indirect strategies used by agencies such as
Demonstrates reasonable knowledge and understanding of governments (national, regional, local) and international
strategies used to respond to disease outbreaks. agencies e.g. WHO, charities
Level 1 (1–2 marks) Direct strategies
Demonstrates basic knowledge and understanding of • monitoring of numbers + locations of cases
strategies used to respond to disease outbreaks. • screening programmes e.g. breast, cervical + bowel cancer
in UK
0 marks No response or no response worthy of credit. • investment in medical technology (diagnostic + treatment)
including equipment + drugs
AO2
Level 4 (19–24 marks) Indirect strategies
Demonstrates comprehensive application of knowledge and • education
understanding to provide a clear, developed and convincing • lifestyle changes
analysis that is fully accurate of the advantages and • environmental monitoring + improvement e.g. elimination of
disadvantages of strategies used to respond to disease pathogens in water; planning to build healthier
outbreaks. neighbourhoods e.g. reducing stagnant water
Demonstrates comprehensive application of knowledge and
understanding to provide a detailed and substantiated AO2 – 24 marks
evaluation that offers secure judgements leading to rational Application of knowledge and understanding to analyse and
conclusions that are evidence based as to the advantages and evaluate the advantages and disadvantages of strategies used to
disadvantages of strategies used to respond to disease respond to disease outbreaks could potentially include:
outbreaks.
Either of ‘breadth or depth’ approach valid.
Relevant concepts are authoritatively discussed.
Analysis and evaluation of strategies could emerge for example
Mark Scheme June 2025
Level 3 (13–18 marks) from
Demonstrates thorough application of knowledge and • Water borne diseases in Bangladesh
understanding to provide a clear and developed analysis that • Malaria in Ethiopia and or Mauritius
shows accuracy of factors affecting the advantages and • Covid 19 pandemic globally
disadvantages of strategies used to respond to disease • Cancers in UK
outbreaks. • Cholera epidemic in Haiti 2010
• Smallpox globally
Demonstrates thorough application of knowledge and • Polio globally
understanding to provide a detailed evaluation that offers • Guinea worm in West Africa
generally secure judgements, with some link between rational
• Ebola outbreaks in Central + West Africa
conclusions as to the advantages and disadvantages of
• Measles outbreaks in UK + USA
strategies used to respond to disease outbreaks.
Discussion of contrasting strategies for the same disease
Relevant concepts are discussed but this may lack some
relevant.
authority.
Level 2 (7–12 marks)
Demonstrates reasonable application of knowledge and
understanding to provide a sound analysis that shows some
accuracy of factors affecting the advantages and
disadvantages of strategies used to respond to disease
outbreaks.
Demonstrates reasonable application of knowledge and
understanding to provide a sound evaluation that offers
generalised judgements and conclusions, with limited use of
evidence as to the advantages and disadvantages of
strategies used to respond to disease outbreaks.
Concepts are discussed but their use lacks precision.
Level 1 (1–6 marks)
Demonstrates basic application of knowledge and
understanding to provide a simple analysis that shows limited
accuracy of factors affecting the advantages and disadvantages
of strategies used to respond to disease outbreaks.
Demonstrates basic application of knowledge and
understanding to provide an un-supported evaluation that offers
simple conclusions as to the advantages and disadvantages of
Mark Scheme June 2025
strategies used to respond to disease outbreaks.
Concepts are not discussed or are so inaccurately.
0 marks No response or no response worthy of credit.
Quality of extended response
Level 4
There is a well-developed line of reasoning which is clear and
logically structured. The information presented is relevant and
substantiated.
Level 3
There is a line of reasoning presented with some structure. The
information presented is in the most-part relevant and supported
by some evidence.
Level 2
The information has some relevance and is presented with
limited structure. The information is supported by limited
evidence.
Level 1
The information is basic and communicated in an unstructured
way. The information is supported by limited evidence and the
relationship to the evidence may not be clear.
How to answer it
OCR A-Level Geography: Strategies Used to Respond to Disease Outbreaks (33 Marks)
Specification Focus: Disease Dilemmas – Management and Mitigation of Disease Outbreaks
- AO1 (9 Marks): Accurate geographic knowledge of diverse mitigation strategies (direct vs indirect, top-down vs bottom-up) operated by national governments, international bodies (WHO), and NGOs across communicable and non-communicable diseases.
- AO2 (24 Marks): Synoptic evaluation and critical analysis weighing the trade-offs, financial/logistical barriers, temporal delays, and socioeconomic effectiveness of contrasting strategies, leading to a substantiated final judgement.
1. Question Deconstruction & Mark Breakdown
📐 Mark Allocation Strategy
- AO1 (Knowledge & Understanding): 9 Marks
Requires precise terminology: endemic vs epidemic/pandemic, direct strategies (surveillance, quarantine, vaccination, screening) and indirect strategies (education, vector control, WASH infrastructure). - AO2 (Application & Evaluation): 24 Marks
Assesses balanced critique: costs, scalability, cultural barriers, technology gaps, and temporal reach (reactive emergency response vs proactive long-term eradication). - Target Level: Level 4 (28–33 Marks) requires a sustained, evidence-based line of reasoning with clear evaluative criteria.
🧠 Exam Technique: Breadth vs Depth
- Approach: The mark scheme allows either a broad study across multiple diseases or an in-depth evaluation across contrasting strategies for specific diseases.
- Top-Band Rule: Avoid describing disease transmission alone. Every case study fact must serve as evidence evaluating an advantage or a disadvantage of a specific intervention strategy.
- Criteria for Evaluation: Use consistent benchmarks: cost-efficiency, cultural acceptability, speed of implementation, and long-term sustainability.
2. Core Geographic Knowledge (AO1)
💡 Direct vs Indirect Intervention Strategies
A high-scoring answer must clearly distinguish between direct (targeting the pathogen, diagnosis, or immediate host transmission) and indirect (altering environments, social conditions, or human behaviours) strategies.
| Classification | Strategy Examples | Key Case Study Examples |
|---|---|---|
| Direct Strategies (Targeted Medical & Host Interventions) | • Mass vaccination programmes • Targeted screening & diagnostics (mammograms, rapid PCR/antigen) • Quarantine, border closures & contact tracing • Medical therapies (antiretrovirals, artemisinin combination therapy) | • Smallpox: Global eradication via ring-vaccination (WHO). • COVID-19: UK/Global mRNA vaccine rollout and lockdowns. • Cancer in the UK: NHS breast, cervical, and bowel screening saving thousands of DALYs. |
| Indirect Strategies (Environmental & Behavioural Interventions) | • Vector eradication & habitat removal (larviciding, draining stagnant pools) • WASH infrastructure (clean water pipes, latrines, chlorination) • Public health campaigns & community education • Legislation (sugar taxes, smoking bans, building codes) | • Malaria in Mauritius / Ethiopia: Indoor Residual Spraying (IRS) & predatory fish. • Cholera in Haiti (2010): Chlorination tablets, emergency sanitation. • Guinea Worm (West Africa): Carter Center nylon water-filter pipes and community surveillance. |
3. Evaluative Analysis of Strategies (AO2)
✅ Advantages of Key Strategies
- Mass Vaccination (Direct): Provides herd immunity and long-term prevention. When uptake is >95%, diseases can be permanently eradicated globally (e.g. Smallpox certified eradicated in 1980; Polio cases reduced by 99% since 1988).
- Screening Programmes (Direct - Non-Communicable): Secondary prevention detects pre-cancerous lesions or early-stage cancers (e.g. UK NHS cervical and bowel screening), drastically lowering long-term ICU and end-of-life palliative costs.
- Vector Modification (Indirect - Communicable): Draining stagnant water and introducing top-minnow predatory fish in Mauritius eliminated malaria vectors without requiring complex patient adherence.
- Low-Tech Grassroots Education (Indirect): Guinea Worm was reduced from 3.5 million cases (1986) to under 15 cases globally using affordable 20p nylon cloth filters and volunteer village health workers—sustainable without high-tech infrastructure.
❌ Disadvantages & Trade-offs
- High Capital Costs & Cold-Chain Vulnerability: Advanced pharmaceuticals/mRNA vaccines require strict refrigeration (-80°C to -20°C), rendering distribution in rural Sub-Saharan Africa or peripheral LICs logistically challenging and expensive.
- Cultural & Religious Resistance: Distrust of foreign aid workers hindered Ebola containment in West Africa (attacks on treatment units, refusal of safe burial protocols) and fueled vaccine hesitancy for Measles (UK/USA) and Polio (Pakistan/Nigeria).
- Collateral Socio-Economic Disruption: Heavy-handed direct responses like national quarantines (COVID-19) induced acute economic contraction, educational deficits, and exacerbated mental health crises.
- Antimicrobial & Vector Resistance: Overuse of indoor spraying (DDT) causes insecticide resistance, and incomplete therapeutic courses promote drug-resistant strains (e.g. MDR-TB, chloroquine-resistant P. falciparum).
🧠 How to Write a Level 4 Synoptic Evaluation
Rather than merely listing "pros and cons", compare strategies across critical geographical divides:
- Temporal Scale: Direct responses (quarantine, mobile clinics, rehydration centres) are crucial for short-term survival during sudden-onset epidemics (e.g. Haiti Cholera 2010), but failure to implement indirect responses (permanent sewer construction) leaves the population vulnerable to recurrent waves.
- Level of Development (ACs vs LICs/EDCs): High-tech interventions (screening, genomic sequencing) work efficiently in ACs with centralised healthcare, whereas low-tech, culturally sensitive bottom-up approaches (Carter Center Guinea Worm filters) achieve higher efficacy in isolated LIC regions.
- Communicable vs Non-Communicable: Communicable outbreaks require rapid herd protection and contact interdiction, whereas non-communicable "outbreaks" (e.g. epidemic obesity, diabetes, cancers) demand sustained indirect behavioural interventions (taxation, advertising bans) combined with screening.
4. Examiner Commentary & Pitfalls to Avoid
❌ Common Student Pitfalls
- Narrative Storytelling: Retelling the story of how an epidemic began (e.g., origin of Ebola or Cholera) without linking directly to the design and success of the *response strategy*.
- Focusing Exclusively on COVID-19: Limiting the entire 33-mark essay to COVID-19 prevents demonstration of wide-ranging geographic knowledge across diverse pathogens and development contexts.
- Ignoring Non-Communicable Diseases: Overlooking that non-communicable conditions (e.g., UK cancer screening, cardiovascular epidemics) are valid components of the disease syllabus.
- Superficial Evaluation: Simply adding "this worked well" or "this was too expensive" at the end of paragraphs without explaining *why* or providing specific data.
✅ Hallmarks of Top-Band Scripts
- Explicitly categorises strategies early (Direct vs Indirect; Proactive vs Reactive).
- Contrasts different strategies for the *same* disease (e.g. evaluating bed nets [ITNs] vs IRS vs antimalarial medications in Ethiopia).
- Integrates named agencies: WHO, national bodies (e.g., UK NHS, CDC), and NGOs (e.g., MSF, The Carter Center).
- Concludes with a definitive, nuanced thesis: "The most successful responses are integrated: direct strategies avert immediate mortality, while indirect environmental improvements ensure permanent eradication."
Topics
Topic 3.2 Disease Dilemmas · 3.a. Communicable diseases have causes and impacts with mitigation and response strategies which have varying levels of success. · 4.a. Increasing global mobility impacts the diffusion of disease and the ability to respond to it, at a variety of scales. · 4.b. Mitigation strategies to combat global pandemics and overcome physical barriers · 5.b. Top down and bottom up strategies that deal with disease risk and eradication.
Question and mark scheme from the OCR A-Level Geography examination, Geographical debates (03), June 2025. QuestionVault is an independent revision resource; questions remain the copyright of the awarding body.