Introduction and persistence of tularemia in Bulgaria

Myrtennäs, Kerstin, Marinov, Krustyu, Johansson, Anders, Niemcewicz, Marcin, Karlsson, Edvin, Byström, Mona, Forsman, Mats

Introduction: Outbreaks of the zoonotic disease tularemia occurred in north-east Bulgaria in the 1960s. Then came 30 years of epidemiological silence until new outbreaks occurred in west Bulgaria in the 1990s. To investigate how bacterial strains of Francisella tularensis causing tularemia in wildli