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Epidemics and pandemics with at least 1 million deaths Rank Epidemics/pandemics Disease Death toll Percentage of population lost Years Location 1 Spanish flu: Influenza A/H1N1: 17–100 million 1–5.4% of global population [4] 1918–1920 Worldwide 2 Plague of Justinian: Bubonic plague 15–100 million 25–60% of European population [5] 541–549
The term pandemic had not been used then, but was used for later epidemics, including the 1918 H1N1 influenza A pandemic—more commonly known as the Spanish flu—which is the deadliest pandemic in history. The most recent pandemics include the HIV/AIDS pandemic, the 2009 swine flu pandemic and the COVID-19 pandemic. Almost all these diseases ...
A medical dictionary definition of pandemic is "an epidemic occurring on a scale that crosses international boundaries, usually affecting people on a worldwide scale". [14] A disease or condition is not a pandemic merely because it is widespread or kills many people; it must also be infectious.
HIV was a zoonotic disease transmitted to humans in the early part of the 20th century, though it has now evolved into a separate human-only disease. [36] Some strains of bird flu and swine flu are zoonoses; these viruses occasionally recombine with human strains of the flu and can cause pandemics such as the 1918 Spanish flu or the 2009 swine ...
Anarâškielâ; Ænglisc; العربية; Aragonés; Արեւմտահայերէն; অসমীয়া; Asturianu; Azərbaycanca; Башҡортса ...
The Black Death ravaged Europe for three years before it continued on into Russia, where the disease hit somewhere once every five or six years from 1350 to 1490. [39] Plague epidemics ravaged London in 1563, 1593, 1603, 1625, 1636, and 1665, [40] reducing its population by 10 to 30% during those years. [41]
The disease was allowed to spread through the population without restrictions on economic activity, and a vaccine created by American microbiologist Maurice Hilleman and his team became available four months after it had started. [45] [65] [64] Fewer people died during this pandemic than in previous pandemics for several reasons: [109]
Major modern influenza pandemics [1] [2]; Name Date World pop. Subtype Reproduction number [3] Infected (est.) Deaths worldwide Case fatality rate Pandemic severity