A widespread epidemic over a large geographic area.
An epidemic disease which affects many parts of the world.
Widespread epidemic, occurring throughout a country, geographic area, or the world.
An epidemic disease that affects a large area, possibly one or more entire continents.
A disease that affects greater numbers of people than usual across a major geographical area, such as a region, a country, a continent, or the whole world. An example is the AIDS (acquired immunodeficiency syndrome) pandemic in Africa, which affects a large portion of the population.
An epidemic so widely spread that vast numbers of people in different countries are affected. The Black Death, the epidemic plague that ravaged Europe in the fourteenth century and killed over one third of the population, was a classical pandemic.
An epidemic that has spread so widely that very many people in different countries are affected. Examples include the Black Death the epidemic plague, caused by the bacterium Yersinia pestis, that devastated European populations in the Middle Ages, killing more than a third of the people; and the influenza pandemic of 1919-20 that killed more people than did the First World War. AIDS/HIV is currently pandemic.
An exceptionally widespread epidemic, that is, a disease or outbreak that affects very high proportions of the population, or populations throughout the world.
A disease that spreads quickly through human populations all over the world.
The occurrence of a disease that rapidly spreads across a significant proportion of the population over a wide geographic area within a short period of time.
A medical expression used to describe a malady that spreads across a vast geographic region and impacts a significant portion of the population, representing a widespread epidemic.