[1] Inst Microbiol, Greifswald, Germany
[2] Univ Hosp Munster, Inst Med Microbiol, Munster, Germany
[3] Inst Immunol & Transfus Med, Greifswald, Germany
[4] Inst Natl Rech Agronom, Pathol Infect & Immunol Lab, Nouzilly, France
[5] Klin Wiederkauer Ambulanz & Bestandsbetreuung, LMU, Oberschleissheim, Germany