The 1918 influenza pandemic in Montevideo: The southernmost capital city in the Americas.

Background: Few studies have addressed the impact and dynamics of the 1918-1919 influenza pandemic in temperate regions of South America.

Objective: To identify key factors for influenza onset, spread, and mortality in Montevideo and Uruguay in 1918-1919.

Methods: An analysis of official national records of the public health system of Uruguay was performed.