GS-III · UPSC Mains PYQScience & Technology 2022 15 Marks

What is the basic principle behind vaccine development? How do vaccines work? What approaches were adopted by the Indian vaccine manufacturers to produce COVID-19 vaccines ?

Microtheme: Medical and Health Technol- ogies · Asked in UPSC Civil Services Mains Examination 2022.

Model Answer Approach

  1. Decode demand: Identify the directive verb (discuss / examine / critically analyse) and bound the scope to Medical and Health Technol- ogies.
  2. Intro (40–50 words): Define the core concept; anchor with a definition, data point, or constitutional/historical reference.
  3. Body: 2–3 thematic sub-heads with crisp points, examples and counter-arguments. Add a relevant case study or committee/report.
  4. Conclusion (30–40 words): Forward-looking — recommendations, way forward, or a constitutional/ethical anchor.

Structure Checklist

  • Definition / context in intro
  • Minimum 1 data point or report
  • Multi-dimensional arguments
  • Counter-view / limitations
  • Diagram, flowchart or map (if applicable)
  • Way forward in conclusion

Keywords to Use

principlevaccinedevelopmentvaccinesapproachesadoptedmanufacturersproduce
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