- California Department of Public Health Division of Communicable Disease Control website Plague page
- CDC website Plague
- Plague: Current, comprehensive information on pathogenesis, microbiology, epidemiology, diagnosis, and treatment. Infectious Diseases Society of America (IDSA) and Center for Infectious Disease Research and Policy at the University of Minnesota
- Prevention of Plague: Recommendation of the Advisory Committee on Immunization Practices (ACIP) MMWR December 13, 1996 / 45(RR-14);1-15 (Note: a plague vaccine is no longer available in the U.S. This reference is included because it also contains alternatives to vaccination and supplemental protection)








