Animal-Borne Diseases

Diseases of Concern in the Workplace

In Washington State there are a few diseases carried by insects (vector-borne) and other animals (zoonotic) that pose a risk to workers. Click the disease below to get information on that disease and what you can do to decrease the risk of exposure in the workplace.


Tick-borne disease

(Lyme disease, Rocky Mountain spotted fever, tularemia)


West Nile virus

Who is at risk for exposure to animal-borne diseases?

  • Persons who work outdoors or frequently come into contact with wild animals.
  • Persons who work with animal-borne disease agents or work with animals in the laboratory setting. See below for resources on laboratory safety.

Regulation and policy

Where exposure to animal-borne diseases has been recognized as a hazard in your workplace, the hazard should be included in your overall accident prevention program.


The following resources provide additional information on vector-borne and zoonotic diseases:

More help from L&I

For general information, call 1-800-423-7233.

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