Item Information
Title
Flu-fall in proportion to resident population in individual districts
Description
Map showing the prevalence of influenza in eleven districts of the Canton of Aargau (Switzerland).
Creator
Friedrich Frey
Source
Die influenza epidemie 1918 bis 1919 im Kanton Aargau [The influenza epidemic 1918-1919 in the canton of Aargau], New York Academy of Medicine Collection of International Medical Theses #HC0011, Health Sciences Library, University of North Carolina at Chapel Hill.
Publisher
University of Zurich
Date
1920