I am Dr. María Fidelia Cárdenas Marrufo. Professor and researcher at the Faculty of Medicine of the Autonomous University of Yucatán, in Mérida Yucatán, Mexico. The subjects that she taught scientific research methodology, epidemiology, zoonotic diseases and biochemistry, she directed research thesis work in health sciences. The lines of research in which she participated are infectious and parasitic diseases of the tropical region, such as Leptospirosis, Rickettsiosis, Leishmaniosis, Dengue, endemic diseases in Yucatan, from epidemiology, clinical cases, diagnosis and health education. Epidemiological studies have been carried out in both urban and rural risk populations, as well as reservoir animals. We have also worked on education and health promotion of zoonotic and vector-borne diseases with women and school children. The results of the investigations carried out have been published in various scientific journals.