Sensitivities of the qualitative PCRa, xenodiagnosisb and blood culturec in Chagas disease with/without HIV infection.

aqualitative S35/36 PCR,bxenodiagnosis (XD),cblood culture (BC),dgroups of patients: chronic Chagas disease with (CO) and without HIV infection (CR) and reactivation of Chagas disease in HIV infected patients (RE). Xenodiagnosis was not performed on three samples from chronic chagasic patients. Blood culture was not performed on one sample from co-infected patient.