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The 1889–1890 flu pandemic (October 1889 – December 1890, with recurrences March – June 1891, November 1891 – June 1892, spring 1893 and winter 1893–1894) was a deadly influenza pandemic that killed about 1 million people worldwide. The outbreak was dubbed "Asiatic flu" or "Russian flu" (not to be confused with the 1977–1978 epidemic caused by Influenza A/USSR/90/77 H1N1, which was also called Russian flu). For some time the virus strain responsible was conjectured (but not proven) to be Influenza A virus subtype H2N2.{{#invoke:Footnotes|sfn}}<ref>{{#invoke:citation/CS1|citation |CitationClass=web }}</ref> More recently, the strain was asserted to be Influenza A virus subtype H3N8.<ref name="PNAS_20100510">{{#invoke:Citation/CS1|citation |CitationClass=journal }}</ref>


1889–90 flu pandemic sections
Intro  Outbreak and spread  Identification of virus subtype responsible  Notable deaths  See also  Notes  References  

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