It is our great pleasure to invite you to take part in the major event 12th International Conference on Infectious Diseases which is mainly focusing on how To Promote Excellence in Infectious Diseases which was scheduled on 23-24 January  2023  in Barcelona, Spain. The main objective of the conference is to bring together Microbiologists, Bacteriologists, experts in child development and other specialists to exchange their ideas and knowledge between the different disciplines for facilitating research and clinical interdisciplinary collaborations. The conference theme also includes the following areas: Tropical Biomedical Science, Tropical Medicine, Neglected Tropical, Diseases, Tropical Diseases in Animals, Entomology, Clinical Tropical Medicine,Epidemiology,Parasitology,Microbiology,Immunology,Infectious Diseases,