Example image of eyePlorer eyePlorer map for '1918 flu pandemic': Influenza pandemic Influenza A virus Influenza A virus subtype H1N1 Strain (biology) Virulence Virus Encephalitis lethargica Arctic Casualty (person) World War I Scientist Cytokine storm Immune system Mortality rate Case fatality rate Black Death Pandemic India Japan United States France United Kingdom of Great Britain and Ireland Alaska Southern Africa Dutch East Indies Indonesia Australia Fiji Samoa Cholera Dengue fever Typhoid fever Petechia Bacterial pneumonia Bleeding Edema Infection Brest, France Pasteur Institute Alfred W. Crosby Haskell County, Kansas Fort Riley New York Queens Boston Freetown Allies of World War I Censorship Royal London Hospital St Bartholomew's Hospital