Incidence of Relapse and Post-Kala-Azar Dermal Leishmaniasis in South Sudan

Inclusion Criteria: * Primary visceral leishmaniasis patients who had a confirmed (serological and/or parasitological) diagnosis at admission, and who were discharged after successful treatment * Availability for follow up visits * Provision of informed consent, and in the case of minors 12 to 17 years of age, assent as well Exclusion Criteria: * Unavailability for follow-up visits due to distance, inaccessibility, or refusal to participate * Diagnosis of prior primary visceral leishmaniasis done only on clinical basis