Diseases indirectly transmitted by rodents
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California Serogroup Viruses (including LaCrosse Encephalitis)
Rodent(s) involved
Eastern chipmunk and tree squirrel
Agent
Virus
Vectors
Mosquito
How the disease spreads
- Bite from an infected mosquito
Additional Information
Colorado Tick Fever
Rodent(s) involved
Deer mouse, bushy-tailed woodrat, ground squirrel, porcupine, chipmunk
Agent
Virus
Vectors
Tick
Human Granulocytic Anaplasmosis
Rodent(s) involved
Deer mouse, dusky-footed woodrat, Mexican woodrat, white-footed mouse
Agent
Bacteria
Vectors
Tick
Lyme Disease
Rodent(s) involved
Peromyscus spp. (white-footed mouse) in the northeastern and mid-western USA, and other rodents (tree squirrel) in the western USA
Agent
Bacteria
Vectors
Tick
Murine Typhus
Rodent(s) involved
Rats
Agent
Bacteria
Vectors
Flea or mite
How the disease spreads
- Bite from an infected flea or mite
- Contact of broken skin or wound with infected flea or mite or their droppings
Additional Information
Rickettsial (Spotted & Typhus Fevers) & Related Infections (Anaplasmosis & Ehrlichiosis)
Powassan Encephalitis
Rodent(s) involved
Marmot, sciurid rodents (squirrel family), groundhog
Agent
Virus
Vectors
Tick
Scrub Typhus
Rodent(s) involved
Rats
Agent
Bacteria
Vectors
Mite
How the disease spreads
- Bite from an infected mite
Additional Information
Rickettsial (Spotted & Typhus Fevers) & Related Infections (Anaplasmosis & Ehrlichiosis)
Rickettsialpox
Rodent(s) involved
Mice
Agent
Bacteria
Vectors
Mite
How the disease spreads
- Bite from an infected mite
Additional Information
Rickettsial (Spotted & Typhus Fevers) & Related Infections (Anaplasmosis & Ehrlichiosis)
Rocky Mountain Spotted Fever
Rodent(s) involved
Wild rodents
Agent
Bacteria
Vectors
Tick
How the disease spreads
- Bite from an infected tick
Additional Information
Sylvatic Typhus
Rodent(s) involved
Flying squirrel
Agent
Bacteria
Vectors
Flea, mite, louse
How the disease spreads
- Bite from an infected flea or mite
- Contact of broken skin or wound with infected flea, mite, louse or their droppings or inhaling their aerosolized feces
Additional Information
Rickettsial (Spotted & Typhus Fevers) & Related Infections (Anaplasmosis & Ehrlichiosis)
Western Equine Encephalitis
Rodent(s) involved
Ground squirrel and snowshoe hare
Agent
Virus
Vectors
Mosquito
How the disease spreads
- Bite from an infected mosquito
Additional Information
Contact Us:
- Centers for Disease Control and Prevention
1600 Clifton Rd
Atlanta, GA 30333 - 800-CDC-INFO
(800-232-4636)
TTY: (888) 232-6348 - New Hours of Operation
8am-8pm ET/Monday-Friday
Closed Holidays - cdcinfo@cdc.gov
