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There have been six major influenza epidemics in the last 140 years, with the 1918 flu pandemic being the most severe; this is estimated to have been responsible for the deaths of 50–100 million people. The 2009 swine flu pandemic resulted in under 300,000 deaths and is considered relatively mild.
Deaths. >290,000–650,000 deaths per year [3] [4] Influenza, commonly known as " the flu " or just " flu ", is an infectious disease caused by influenza viruses. Symptoms range from mild to severe and often include fever, runny nose, sore throat, muscle pain, headache, coughing, and fatigue.
The flu pandemic lasts from 1918 to 1920. From spring of 1918 to spring of 1919, the flu causes more than 550,000 deaths in the U.S. and more than 20 million deaths worldwide. In the fall of 1918 at Mayo Clinic, people with the flu and other contagious illnesses are cared for in the isolation hospital.
Aug 10, 2018 · Influenza Historic Timeline. More Information on Past Pandemics. More information on past pandemics is available from the CDC Archive website. 1918 Pandemic (H1N1 virus) 1957-1958 Pandemic (H2N2 virus) 1968 Pandemic (H3N2 virus) 2009 H1N1 Pandemic (H1N1pdm09 virus) Last Reviewed: August 10, 2018.
The 1918–1919 influenza pandemic killed more people in absolute numbers than any other disease outbreak in history. A contemporary estimate put the death toll at 21 million, a figure that persists in the media today, but understates the real number. Epidemiologists and scientists have revised that figure several times since then.
Nov 21, 2023 · On This Page. 2021–2022 Burden Estimates. Burden Estimates Limitations. Tables. References. The overall burden of influenza (flu) for the 2021-2022 season was an estimated 9.4 million flu illnesses, 4.3 million flu-related medical visits, 100,000 flu-related hospitalizations, and 4,900 flu deaths ( Table 1 ).
