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The 1918–1920 flu pandemic, also known as the Great Influenza epidemic or by the common misnomer Spanish flu, ... with a higher survival rate in-between, ...
Although the overall fatality rate for the Spanish flu is estimated to have been 10% to 20% of the population, [citation needed] the lethal waves of the Spanish flu are not reported to have emerged with anything like the over-50% case fatality ratio observed to date in human H5N1 infection. Studies indicating that an H5N1 pandemic may be more ...
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 CFR for the Spanish (1918) flu was greater than 2.5%, while the Asian (1957-58) and Hong Kong (1968-69) flus both had a CFR of about 0.2%. [ 11 ] [ 12 ] [ 13 ] As of 21 Jan 2025, coronavirus disease 2019 has an overall CFR of 0.91%, although the CFRs of earlier strains of COVID-19 was around 2%, the CFRs for original SARS and MERS are about ...
The 1918–1920 flu pandemic is commonly referred to as the Spanish flu, and caused millions of deaths worldwide. To maintain morale, wartime censors minimized early reports of illness and mortality in Germany , the United Kingdom , France , and the United States .
Spanish flu research concerns studies regarding the ... Data collected during that time indicates that the blood-injection treatment reduced mortality rates by as ...
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It was the second pandemic to involve an H1N1 strain, the first being the 1918 "Spanish flu" pandemic. The global infection rate was estimated as 11–21%. This pandemic strain was less lethal than previous ones, killing about 0.01–0.03% of those infected, compared with 2–3% for Spanish flu.