Juarez Antônio Simões Quaresma received undergraduate training in medicine at the School of Medicine of the Federal University of Pará, Brazil and obtained a Ph.D. degree in pathology from the Faculty of Medicine of the University of São Paulo, Brazil. His research interests include immunity and the immunopathogenesis of infectious diseases. He has studied the mechanisms of impaired host defense in the skin and liver using human and experimental animal models for the past 20 years. More recently, he has been involved in studies on the interaction between skin cells and arboviruses of public health importance, such as dengue, yellow fever, chikungunya, and Zika viruses. He is an associate professor at the Tropical Medicine Center of the Federal University of Pará/Brazil, a researcher at the Division of Pathology at the Evandro Chagas Institute/Ministry of Health/Brazil, and a collaborator researcher at the Department of Pathology, School of Medicine of São Paulo University/Brazil.