Healthy People: At present there are 30 named Bartonella species and 3 subspecies. Bartonella are mainly transmitted to mammalian reservoir host species via arthropod ectoparasite vectors such as fleas, ticks, lice and biting flies. An excellent review of the worldwide distribution of the 30 Bartonella species was recently published. Interestingly and fortunately, Bartonella bacilliformis, the ...