4 Laboratory Data Other Hospital, Other Hospital, Reference Range, 5 Days before 2 Days before Other Hospital, This Hospital, variable Adults Ad mission Admission Day of Admission on Admission Borrelia burgdorfer IgG and igM Negative Negative Negative Negative antibodies Blood-smear examination for parasites No parasites seen No parasites seen No parasites seen Babesia microti DNa Negative Negative Negative Negative B duncani dNA Negative Negative Negati Negative B divergens or B MO1 DNA Negative Negative Negative Negative Anaplasma phagocytophilum DNA Negative Negative Negative Negative Ehrlichia chaffeensis DNA Negative Negative Negative Negative E. ewingii or E canis DNA Negative Negative Negative Negative E. muris-like DNA Negative Negative Negative Negative Francisella tularensis antibodies <1:20 <1:204 Laboratory Data