Question:
The infectious disease which spreads in a very large area is called
The infectious disease which spreads in a very large area is called
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Endemic = Local baseline; Epidemic = Regional outbreak; Pandemic = Worldwide/continental spread across very large areas.
Updated On: Sep 15, 2026
- Sporadic
- Pandemic
- Epidemic
- Noncontagious
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Epidemiological terms classify disease occurrence based on geographic scope and transmission scale.
Step 2: Detailed Explanation:
1. Sporadic: Disease occurring irregularly, infrequently, and haphazardly in a population.
2. Endemic: Constant presence or baseline prevalence of a disease within a specific geographic area.
3. Epidemic: An unexpected, sudden increase in the number of disease cases above baseline in a specific region.
4. Pandemic: An epidemic that spreads over multiple countries, continents, or worldwide, affecting a very large area and massive population.
Step 3: Final Answer:
Therefore, an infectious disease spreading across a very large global area is a pandemic.
Epidemiological terms classify disease occurrence based on geographic scope and transmission scale.
Step 2: Detailed Explanation:
1. Sporadic: Disease occurring irregularly, infrequently, and haphazardly in a population.
2. Endemic: Constant presence or baseline prevalence of a disease within a specific geographic area.
3. Epidemic: An unexpected, sudden increase in the number of disease cases above baseline in a specific region.
4. Pandemic: An epidemic that spreads over multiple countries, continents, or worldwide, affecting a very large area and massive population.
Step 3: Final Answer:
Therefore, an infectious disease spreading across a very large global area is a pandemic.
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