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This is a timeline of influenza, briefly describing major events such as outbreaks, epidemics, pandemics, discoveries and developments of vaccines.In addition to specific year/period-related events, there is the seasonal flu that kills between 250,000 and 500,000 people every year and has claimed between 340 million and 1 billion human lives throughout history.
A 2009 study in Influenza and Other Respiratory Viruses based on data from fourteen European countries estimated a total of 2.64 million excess deaths in Europe attributable to the Spanish flu during the major 1918–1919 phase of the pandemic, in line with the three prior studies from 1991, 2002, and 2006 that calculated a European death toll ...
1918 influenza pandemic ('Spanish flu') 1918–1920 Worldwide Influenza A virus subtype H1N1: 17–100 million [187] [188] [189] 1918–1922 Russia typhus epidemic: 1918–1922 Russia: Typhus: 2–3 million [190] 1919–1930 encephalitis lethargica epidemic: 1919–1930 Worldwide Encephalitis lethargica: 500,000 [191] [192] [193]
The 1918 flu pandemic, commonly referred to as the Spanish flu, was a category 5 influenza pandemic caused by an unusually severe and deadly Influenza A virus strain of subtype H1N1. The difference between the influenza mortality age-distributions of the 1918 epidemic and normal epidemics.
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The 1967–1968 flu season was the last to be dominated by H2N2 before the emergence of H3N2 in 1968 and the consequent "Hong Kong flu" pandemic that lasted until 1970. This season was particularly severe in England and France, in which pneumonia and influenza excess mortality was two to three times greater than in other countries. [ 54 ]
Weather of 2008 profiles the major worldwide storms, including blizzards, ice storms, and other winter events, from January 1, 2008, to December 31, 2008. A winter storm is an event in which the dominant varieties of precipitation are forms that only occur at cold temperatures, such as snow or sleet , or a rainstorm where ground temperatures ...
For the 1918 flu, people infected numbers (500 million), mortality rate (2~3%) contradict the deaths worldwide "20–100 million" statements. Review needed. Lead: Johnson NPAS, Mueller (2002). "Updating the Accounts: Global Mortality of the 1918–1920 Spanish Influenza Pandemic". Kilbourne ED (January 2006). "Influenza pandemics of the 20th ...