Ticks are found in areas where there are more than 175 days/year with a temperature above 5 °C, resulting in high prevalence in southern Norway. As a result to climatic changes the abundance of ticks in Northern Europe has increased, leading to higher notified incidence of LB. In 2010, 288 cases of LB were reported to the Norwegian institute of public health. As much as 70% of the reported cases were in the time frame June-October and 77% of the incidences resulted in admission to hospital.
Infections area unit treated with, and therefore the acute symptoms seem to retort to those medication.
Diagnosis is predicated on a circular "bull's-eye" rash at the location of infection referred to as erythroderma chronicum migrans, that is incredibly just like that seen in zoonosis. However, the symptoms of STARI area unit gentle, and jibe contagion, with fatigue, muscle pains, and headache. Fever is typically seen, however isn't a characteristic.