When an epidemic appears simultaneously or successively in more than one country it is called?

Appeared in: DSSSB - 29 August 2019 (Shift-1)

Explanation

A pandemic is defined as an epidemic that spreads over a very wide geographical area, specifically crossing international boundaries.
The term describes a global or multi-continental health event, affecting a large number of people.
The question's description of an epidemic appearing in 'more than one country' directly fits the definition of a pandemic.
Historical and recent examples include the influenza pandemics and the COVID-19 pandemic.

Option B: Sporadic refers to disease cases that are scattered, isolated, and occur irregularly and infrequently. This is the opposite of a large-scale, widespread outbreak.
Option C: Enzootic refers to a disease that is constantly present (endemic) but is restricted to an animal population in a specific geographic area.
Option D: Epizootic refers to an epidemic within an animal population. While it describes a widespread outbreak, it is specific to animals.

Clinical Relevance

Nursing practice connection: This is primarily an exam-oriented knowledge point with limited direct bedside application, so retain Epidemiological patterns of disease transmission as background academic context rather than a clinical decision trigger.
Understanding the difference between epidemic and pandemic is critical for nurses involved in public health, disaster preparedness, and infection control.
Nurses play a key role in identifying potential outbreaks, implementing control measures (like isolation and quarantine), educating the public, and administering vaccines during a pandemic.
This knowledge helps in understanding the scale of a health crisis and the corresponding level of response required from healthcare systems.

How to Approach the Question

This is a factual recall question that tests your knowledge of epidemiological definitions.
First, identify the key defining phrase in the question stem: 'epidemic... in more than one country'.
Next, analyze the options. Recall the specific definitions for each term.
Recognize that 'Enzootic' and 'Epizootic' refer to diseases in animal populations, which makes them incorrect for a general 'epidemic' context that usually implies humans.
'Sporadic' means scattered and infrequent, which is the opposite of the situation described.
Conclude that 'Pandemic' is the only term that describes an epidemic spreading across international borders.

Concept Tested & Keywords

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E6 Parks TextBook of Preventive & Social Medicine part 1 — Subpart A (pp 26-201 of 604) p. 86-88

E6 Microbiology Essentials Sastry 4e Part 1 p. 128-130

Practise the full DSSSB - 29 August 2019 (Shift-1)

Attempt every question from this paper in a timed mock, then review the full solution for each one.