Some zoonotic infectious diseases are prevalent among children under 15 years of age in Ardabil Province, northern Iran.

Background: This study sought to investigate the seroprevalence of visceral leishmaniasis (VL), toxocariasis, brucellosis, and salmonellosis, as well as their co-infection and potential cross-reaction, in children under 15 years referred to health centers in Ardabil province, Iran, from 2019 to 2021.

Methods: The current study examined 1,550 serum samples using direct agglutination test (DAT), Toxocara canis ELISA, Wright, and Widal tests to detect antibodies against Leishmania, Toxocara, Brucella, and Salmonella, respectively. We also compared the test results to determine the possibility of cross-reactivity or simultaneous seropositivity in the tested samples.

Visceral Leishmaniasis in Ardabil Province, Northwest of Iran: A Retrospective Epidemiological, Clinical and Paraclinical Study (1985-2018).

Background: We aimed to investigate the epidemiological, clinical and paraclinical aspects of Visceral Leishmaniasis in Ardabil Province, from 1986 to 2018.

Methods: The disease has been diagnosed by a serological validate test as Direct Agglutination Test, parasitological methods, and clinical manifestations. The data were collected and then analyzed.