After being bitten by a tick, there are usually no specific symptoms for about 20 days indicating that the danger period has passed. Ticks carry many kinds of germs in their bodies, so the host is very easy to be infected after being bitten; generally the incubation period of tick-induced diseases is less than 20 days, for example, tick typhoid fever usually strikes about one week after the bite, and the patient will have fever, headache and even shock, etc., and chronic wandering erythema usually strikes about 7-20 days after the bite, and the patient’s body will have localized elliptical inflammatory rashes and other symptoms. In addition, tick paralysis caused by tick bites, the general incubation period of less than a week, the disease is triggered by the tick’s neurotoxin, depending on the severity of the performance of the loss of appetite, muscle paralysis and other symptoms. After being bitten by a tick, you should go to the hospital for relevant tests in time to avoid delaying your condition.