[1] Univ Agron Sci & Vet Med Bucharest, Fac Vet Med, Dept Parasitol & Parasit Dis, Bucharest 050097, Romania
[2] Univ Munich, Comparat Trop Med & Parasitol, D-81377 Munich, Germany
[3] Aix Marseille Univ, URMITE, WHO Collaborat Ctr Rickettsioses & Other Arthropo, UM63,CNRS 7278,IRD 198,Inserm 1095,Fac Med, Marseille, France