Un pandemic (ex greco ancian Greek πᾶν pan "omne all" e and δῆμος demos "gente people") es un epidemic de of infectious disease que ha diffundite trans un gran region, per instantia multiple continentes, quidem global that has spread across a large region; for instance multiple continents, or even worldwide.
A widespread endemic disease that is stable in terms of how many people are getting sick from it is not a pandemic. Further, flu pandemics generally exclude recurrences of seasonal flu. Throughout history, there have been a number of pandemics, such as smallpox and tuberculosis. One of the most devastating pandemics was the Black Death, which killed over 75 million people in 1350. The most recent pandemics include the HIV pandemic as well as the 1918 and 2009 H1N1 pandemics.
Definition and stages[modificar | modificar fonte]
A pandemic is an epidemic occurring on a scale which crosses international boundaries, usually affecting a large number of people. Pandemics can also occur in important agricultural organisms (livestock, crop plants, fish, tree species) or in other organisms.