The 1918–19 Influenza Pandemic in Boyacá, Colombia
, Cécile Viboud, Lone Simonsen, Mark A. Miller, Rodolfo Acuna-Soto, Juan M. Ospina Díaz, and Abel Fernando Martínez-Martín
Author affiliations: Arizona State University, Tempe, Arizona, USA (G. Chowell); National Institutes of Health, Bethesda, Maryland, USA (G. Chowell, C. Viboud, M.A. Miller); George Washington University, Washington, DC, USA (L. Simonsen); Universidad Nacional Autónoma de México, Delegación Coyoacán, Mexico (R. Acuna-Soto); Universidad Pedagógica y Tecnológica de Colombia, Boyacá, Colombia (J.M. Ospina Díaz, A.F. Martínez-Martín)
Figure 2. Age-stratified weekly respiratory mortality rates per 10,000 population in Boyacá, Colombia, 1917–1920. Background mortality rate derived from a seasonal regression model (blue); corresponding 95% CI curves are shown (red and green). Deaths in excess of the upper limit of the background mortality curve are deemed attributable to the 1918–19 influenza pandemic.
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