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A pandemic (from Greek πᾶν pan "all" and δῆμος demos "people") is an epidemic of infectious disease that has spread through human populations across a large region; for instance multiple continents, or even worldwide. Throughout history there have been a number of pandemics, such as smallpox and tuberculosis. More recent pandemics include the HIV pandemic as well as the 1918 and 2009 H1N1 pandemics.
This category has the following 3 subcategories, out of 3 total.
Pages in category "Pandemics"
The following 20 pages are in this category, out of 20 total. This list may not reflect recent changes (learn more).