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This infographic explains what influenza and pandemics are and how the influenza pandemic of 1918–19 spread. That pandemic was the most severe influenza outbreak of the 20th century and, in total number of deaths, among the most devastating pandemics in history.
In 1918–1919, 99% of pandemic influenza deaths in the U.S. occurred in people under 65, and nearly half of deaths were in young adults 20 to 40 years old. In 1920, the mortality rate among people under 65 had decreased sixfold to half the mortality rate of people over 65, but 92% of deaths still occurred in people under 65. [ 298 ]
20 paź 2024 · Influenza pandemic of 1918–19, the most severe influenza outbreak of the 20th century and among the most devastating pandemics in human history. The outbreak was caused by influenza type A subtype H1N1 virus. Learn about the origins, spread, and impact of the influenza pandemic of 1918–19.
The death rate for 15 to 34-year-olds of influenza and pneumonia were 20 times higher in 1918 than in previous years (Taubenberger). People were struck with illness on the street and died rapid deaths. One anectode shared of 1918 was of four women playing bridge together late into the night.
Over the past four decades it has killed 3,000 to 48,000 Americans annually, depending on the dominant virus strains in circulation, among other things. And more deadly possibilities loom.
The “Spanish” influenza pandemic of 1918–1919, which caused ≈50 million deaths worldwide, remains an ominous warning to public health. Many questions about its origins, its unusual epidemiologic features, and the basis of its pathogenicity remain unanswered.
Spanish Influenza in North America, 1918-1919 The Spanish influenza pandemic, which began in 1918, caught every nation by surprise. It infected an estimated 500 million people and killed 50 to 100 million of them in three waves.
