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<br /> Hazard Mitigation Plan | 2022 <br />Epidemic/Pandemic/Vector-Borne Disease Hazards <br />- 97 - <br /> <br />tick has been reported from 56 of the 58 counties in California, the highest incidence of disease <br />occurs in the northwest coastal counties and northern Sierra Nevada counties with western-facing <br />slopes. Ticks prefer cool, moist areas and can be found in wild grasses and low vegetation in <br />both urban and rural areas. <br /> <br />The map below shows Western black-legged tick and Lyme disease incidence in California. The <br />Western black-legged tick is commonly found in all green areas shown on the map; dark green <br />areas on the map show where reported Lyme disease cases most often had exposure. <br /> <br />Map: Tick and Lyme Disease Incidence in California <br />(Source: California State Hazard Mitigation Plan, 2018) <br /> <br />Valley Fever <br />Valley Fever is caused by Coccidioides, a fungus that lives in the soil in the southwestern United <br />States and parts of Mexico, Central America, and South America. Inhaling the airborne fungal <br />spores can cause an infection called coccidioidomycosis, which is also known as “cocci” or “Valley <br />Fever.” <br /> <br />Most people who are exposed to the fungus do not get sick, but some people develop flu‐like <br />symptoms that may last for weeks to months. In a very small proportion of people who get Valley