Colorado Tick Fever

Colorado tick fever, or CTF, is an acute viral infection common throughout the western parts of the United States and some areas of Canada. CTF is also known as mountain fever, mountain tick fever and American mountain fever, as it tends to occur most in areas elevated above 5,000 feet. It is prevalent in Colorado and Idaho.

CTF is contracted through wood tick bites between March and September. Symptoms include headaches, sudden fever, fatigue, nausea, vomiting, photophobia and rashes. Fevers associated with CTF appear in two stages: the first stage lasts for approximately three days before disappearing; the second fever may span one to three days in duration. However, signs of CTF do not usually appear until three to six days after a bite.

In order to avoid Colorado tick fever, hikers and outdoor enthusiasts should wear light-colored clothing. Long sleeves are also advised and insect repellents may prove effective. Avoid straying from established trails and diligently inspect yourself for ticks.

In the event of a tick bite, never crush the specimen. Tweezers or forceps should be used to gently pull the tick away by its head region. All mouthparts must also be removed from the bite site. Always wash your hands and the site after removing a tick.

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