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Foremost epidemics from 20th era
| Name | Time period | Type | Mortality rate | References |
|---|---|---|---|---|
| Spanish flu | 1918–1919 | H1N1 | More than 50M | (Farmer 2019) |
| Asian flu | 1957–1958 | H2N2 virus | 1.15M | (Du et al. 2009) |
| Hong Kong flu | 1968–1970 | H3N2 virus | 700,000 and 1M | (Siche 2020) |
| HIV/AIDS | 1981–present | Virus | 32M (approximate, March 2020) | (Organization, 2013) |
| COVID-19 | 2019–present | COVID-19 | 36,405 (31 March 2020) | (WHO 2020) |
