221. When a disease occurs over a large area of earth's surface at one time it is called
جب زمین کی سطح کے ایک بڑے رقبے پر ایک وقت میں کوئی بیماری آجاتی ہے تو اسے کہا جاتا ہے
- A. none
- B. viral disease
- C. Endemic disease
- D. Pandemic disease
Check answer and explanation
Answer: Pandemic disease
Explanation A pandemic is an epidemic of an infectious disease that has spread across a large region, for instance multiple continents , affecting a substantial number of individuals.