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.

Practise this question

Question

Question 13 marked with an asterisk: 'Evaluate the advantages and disadvantages of strategies used to respond to disease outbreaks. [33]'
Question text

Evaluate the advantages and disadvantages of strategies used to respond to disease outbreaks.

[33]

Mark scheme

Show the mark scheme OCR mark scheme for Question 13 detailing level descriptors for AO1 (9 marks) and AO2 (24 marks). AO1 covers knowledge and understanding of strategies used to respond to disease outbreaks (direct strategies like case monitoring, screening, medical investment; indirect strategies like education, lifestyle, and environmental monitoring). AO2 covers evaluation of advantages and disadvantages of these strategies, citing examples such as water-borne diseases in Bangladesh, malaria in Ethiopia/Mauritius, COVID-19, cholera in Haiti, and Ebola.

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)

What This Question Tests

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

Question 13*: "Evaluate the advantages and disadvantages of strategies used to respond to disease outbreaks." [33 marks]

📐 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.