Related Experiment Video
Updated: Jan 14, 2026

Vaccinia Reporter Viruses for Quantifying Viral Function at All Stages of Gene Expression
Published on: May 15, 2014
The use of smallpox as a bioweapon against native Americans
Ioannis Nikolakakis1, Spyros N Michaleas1, Iordanis Mourouzis2
1Department of History of Medicine and Medical Ethics, National and Kapodistrian University of Athens, Athens, Greece.
Abstract:
This study examines the use of smallpox as a biological weapon during the European colonization of the Americas, focusing on its deployment against indigenous populations as an early example of unethical human experimentation and biowarfare. Primary and secondary historical sources were reviewed, including correspondence from British military officers and documented accounts of smallpox-infected materials being deliberately distributed to Native American populations. Evidence from historical accounts, particularly exchanges between General Jeffrey Amherst and Colonel Henry Bouquet, indicates intentional efforts to spread smallpox among Native Americans during Pontiac's Rebellion. Although outbreaks followed these events, the impact was less widespread than anticipated, likely due to partial immunity within some indigenous populations. Additional reports suggest similar strategies were employed against the Chippewa tribe, and with later accounts possibly linking the 1831 Pawnee epidemic to contaminated trade routes. In conclusion, the intentional use of smallpox as a bioweapon during European colonization represents an early instance of biowarfare. These historical events underscore the ethical and public health risks associated with biowarfare and the discriminatory use of such weapons against indigenous tribes.
Related Concept Videos
Conservation of Small Populations
Cross-reactivity
CRISPR
Biological Methods for Microbial Control
CRISPR/Cas9 Genome Editing
Ethics in Research

