TF and coinfection: At T0, the incidences of patients with deficient transferrin for each group were: 1 of 25 (4.00%) patients who were classified in the Borrelia Infections Only group, 1 of 32 (3.13%) patients from the Borrelia and Co-infections group, 0 patients within the TBIs Without Borrelia and Negative Serology groups.