Acquired immunodeficiency syndrome
Acro-osteolysis
Acute tubular necrosis
Adenoviral keratoconjunctivitis
African trypanosomiasis
American trypanosomiasis
Angiosarcoma of the liver
Animal handler lung
Anthrax
Aplastic anemia
Arenaviral hemorrhagic fevers (S. America)
Arsenic, chronic toxic effect
Asbestosis
Asbestos-related pleural disease
Asphyxiation, chemical
Asphyxiation, simple
Asthma, irritant-induced
Asthma, occupational
Atherosclerotic cardiovascular disease