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For example, the current "swine flu" or H1N1 virus is a new strain of an old form of flu, known for centuries as Asian flu based on its origin on that continent. From 1918 to 1920, a post- World War I global influenza epidemic killed an estimated 50–100 million peens, including half a million in the United States alone. [ 10 ]
Difference between the flu mortality age-distributions of the 1918 pandemic and normal epidemics – deaths per 100,000 persons in each age group, United States, for the interpandemic years 1911–1917 (dashed line) and the pandemic year 1918 (solid line) [240] Three pandemic waves: weekly combined flu and pneumonia mortality, United Kingdom ...
Manchurian plague (part of the third plague pandemic) 1910–1911 China: Pneumonic plague: 60,000 [185] 1916 United States polio epidemic 1916 United States Poliomyelitis: 7,130 [186] 1918 influenza pandemic ('Spanish flu') 1918–1920 Worldwide Influenza A virus subtype H1N1: 17–100 million [187] [188] [189] 1918–1922 Russia typhus ...
The COVID-19 pandemic has killed over 1.2 million Americans and over 7 million worldwide. The 1918 Spanish Flu pandemic killed an estimated 675,000 Americans and 40-60 million globally. It’s not ...
That is exactly what happened with the 2009 H1N1 swine flu and the Spanish flu of 1918 pandemics. Influenza A subtypes. Influenza A (but not B) also has subtypes labeled H and N. These refer to ...
The difference between the influenza mortality age-distributions of the 1918 epidemic and normal epidemics. Deaths per 100,000 persons in each age group, United States, for the interpandemic years 1911–1917 (dashed line) and the pandemic year 1918 (solid line). [57] The Spanish flu pandemic lasted from 1918 to 1920. [58]
A third of the world's population was believed to have contracted the Spanish flu during that pandemic, and it had a case-fatality rate of as high as 10-20% globally and 2.5% in the United States ...
Known flu pandemics [10] [40] [41] Name of pandemic Date Deaths Case fatality rate Subtype involved Pandemic Severity Index; 1889–1890 flu pandemic (Asiatic or Russian Flu) [42] 1889–1890: 1 million: 0.15%: Possibly H3N8 or H2N2 — 1918 flu pandemic (Spanish flu) [43] 1918–1920: 20 to 100 million: 2%: H1N1: 5 Asian Flu: 1957–1958: 1 to ...