Roberto Badaro, M.D; Ph.D., was Professor of Infectious Diseases at the Department of Medicine of the Federal University of Bahia, Brazil, and Visiting Full Professor of University of California San Diego (UCSD) School of Medicine, San Diego. He was also chief of the Division of Infectious Diseases of the University Hospital, Professor Edgard Santos of the Federal University of Bahia, Brazil. Presently, he is the Full Professor of the Senai-CIMATEC Health technology University Center. He trained as an Infectious Disease physician and medical immunologist at Institute Emilio Ribas of Infectious Diseases, Sao Paulo, Brazil, in 1977-1979. From 1980 to 1986, he joined the Federal University of Bahia as Assistant Professor and continued his professorship career. In 1986 he joined the Division of International Medicine at Cornell University Medical College, NY, and progressed to Associate Professor until 1994. From 1995 to 2000, he was appointed Visiting Professor of Harvard School of Public Health at Harvard University, Boston. From 2005 to 2007, He spent his sabbatical at the Division of Infectious diseases of the University of California San Diego (UCSD) School of Medicine, San Diego. He focused his investigation on Leishmaniasis and other Tropical diseases. In the1990’s, with the explosion of the HIV epidemic in Brazil, he included in his scientific activity to study HIV co-infection and Tropical diseases. His studies on the Natural history of Leishmaniasis allowed the description of the clinical spectrum of Visceral Leishmaniasis; also, the development of many specifics serological tools for identification of Leishmania infected individuals in endemic areas in the world. His laboratory was the first to identify the clinical impact of rK39 antibodies in the blood of L.donovani infected individuals. At the Senai-CIMATEC Health Technology University Center, he focuses on researching new diagnostic and therapeutic approaches to help control human diseases using the newly available technology of Gene and Cell therapy, Car-T cell, and vaccine development. With this worldwide Covid-19 pneumonia pandemic, he dedicated his research to develop a vaccine, diagnostic tools, and drug treatment to control this disease. His research publications include more than 300 articles, reviews, and book chapters.