The incubation period is 3 to 6 days. Symptoms of fever continue for 3 days, then abate and recur 1 to 3 days later for another few days.
Risk factors are recent outdoor activity and recent tick bite .
The incidence is 4 out of 100,000 people. Ticks will show up on white or light colors better than dark colors, making them easier to remove from your clothing. Check yourself and your pets frequently. If you find ticks, remove them immediately by using a tweezers, pulling carefully and steadily. Insect repellent may be helpful.