Communicable diseases or infectious diseases are caused by pathogenic microorganisms.
D003140:Communicable Disease Control / Q000458:organization & administration*; D003141:Communicable Diseases / Q000453:epidemiology / Q000382:microbiology; D006801:Humans; D019083:Mediterranean Region / Q000453:epidemiology; D009937:Organizational Objectives; D012041:Regional Medical Programs / Q000458:organization & administration*; D014944:World Health Organization / Q000458:organization & administration*