Tularemia cases in Västerbotten hit 5-year high, pulmonary form unusual

Västerbotten reports 115 tularemia (harpest) cases in 2026, the highest in five years, with an unusual predominance of pulmonary involvement. The cause of the shift in clinical presentation is uncertain, but it may reflect changes in transmission routes or reporting. The outbreak is localized but signals a potential public-health concern in northern Sweden.