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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 ...
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.
Here are the worst epidemics and pandemics in history, dating from prehistoric to modern times. The archaeological site is now called "Hamin Mangha" and is one of the best-preserved prehistoric ...
During World War II. By now, we have all heard about the severe and fatal nature of Ebola but the pandemic isn't the most catastrophic in history. Over the last couple of centuries deadly ...
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A world map illustrating the proportion of population infected with HIV in 2019. HIV/AIDS was first identified as a disease in 1981, and is an ongoing worldwide public health issue. [65] [66] Since then, HIV/AIDS has killed an estimated 40 million people with a further 630,000 deaths annually; 39 million people are currently living with HIV ...