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For a given epidemic or pandemic, the average of its estimated death toll range is used for ranking. If the death toll averages of two or more epidemics or pandemics are equal, then the smaller the range, the higher the rank. For the historical records of major changes in the world population, see world population. [3]
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 ...
The worst epidemics and pandemics have ravaged humanity throughout its existence, but which were the deadliest? Some of the worst epidemics and pandemics in history have doomed whole civilizations ...
Human infectious diseases may be characterized by their case fatality rate (CFR), the proportion of people diagnosed with a disease who die from it (cf. mortality rate).It should not be confused with the infection fatality rate (IFR), the estimated proportion of people infected by a disease-causing agent, including asymptomatic and undiagnosed infections, who die from the disease.
The Spanish Flu, the second deadliest pandemic in history after the bubonic plague, along with the aftermath of World War I and ensuing political and social chaos, made 1918 a tough time to be alive.
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The 1918 flu pandemic (Spanish flu) is a deadly pandemic involving the Influenza A virus subtype H1N1 that infected over 500 million people all over the world, predominantly affecting healthy young individuals. [27] [28] Influenza: France (origin, possibly disputed) 1922: Organization
World's worst natural disasters since 1900; Earthquake Hazards Program – USGS; EM-DAT: The International Disaster Database managed by the Centre for Research on the Epidemiology of Disasters; Disasters Database Report from Emergency Management Australia