Introduction: Occupational infectious respiratory diseases are underestimate pathology because of an asymptomatic infection or the general, unspecific symptoms.
State of the art: The most part of patients are among health care and agriculture or forestry workers (15% employee exposure of infectious risks in according with SUMMER study 2003). Biological risks interest two-third of health care workers, one-third of agriculture and food industry employees and one-forth of house-workers. Occupational diseases occur as flu-like illness, pneumonia, lung abscess or pleurisy. A possible classification for this pathology is by clinical manifestations: with respiratory predominance like tuberculosis, pasteurelosis, psittacosis or diseases like anthrax, brucellosis or tularemia with non respiratory predominance.
Perspectives and conclusion: The authors remind the data of occupational respiratory infectious diseases, microbiological data and links between clinical symptoms and patients professions leading to diagnosis.