João Pessoa Araújo Junior is currently a Professor of Virology at “Instituto de Biociências, UNESP - Univ Estadual Paulista”, Brazil. He studied Veterinary Medicine at the UNESP, Brazil. He received his graduate education in Microbiology at the University of São Paulo, Brazil, where obtained a Ph.D. degree in 1998. He was appointed to the “Instituto de Biociências, UNESP, Brazil as a Professor of Virology in 1994. Nowadays is a coordinator of Molecular Diagnostic Laboratory (MDL). MDL provides quality diagnostic services covering molecular diagnostics, serology, and virology. His research combines the development of new technologies applied to diagnosis of viral infectious disease in cats, dogs, and swine