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

none

viral disease

Endemic disease

Pandemic disease

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.