Hantavirus pulmonary syndrome
Hard metal disease
Hemolytic anemia, acute
Hemorrhagic fever with renal syndrome
Hendra and Nipah viral diseases
Hepatitis A
Hepatitis B
Hepatitis C
Hepatitis E
Hepatitis, chemical
Herpes B virus encephalomyelitis
Herpetic whitlow
Histoplasmosis
Hookworm disease
Hot tub HP
Humidifier fever
Humidifier HP
Hydrofluoric acid, toxic effect
Hypersensitivity pneumonitis
Hypersensitivity pneumonitis, acute
Hypertension