The lungs are the largest organ of the respiratory system. The respiratory system supplies the oxygen needed by the cells of the body and takes away the waste carbon dioxide.
tuberculosis
Influenza-related muscle pain cases no cause for alarm
Myositis (muscle inflammation) is usually a temporary complication of flu, and a cluster of cases in Melbourne is no cause for alarm, experts say.
Sore throat
Sore throats: symptoms, causes, tests and when you should seek medical advice.
Sore throat treatments
Find out about sore throat treatments including self-help measures, painkillers, lozenges, and when antibiotics are needed.
Bird flu (avian influenza)
Avian influenza, or bird flu, is an infectious disease caused by a type of influenza virus. Find out about outbreaks, symptoms, treatment and prevention.
Hendra virus
Hendra virus was first isolated in an outbreak in humans and horses at a horse stud in Queensland. The natural reservoir of the Hendra virus is believed to be fruit bats (flying foxes), but the virus can infect horses and also humans, often with fatal consequences.
Alpha1-antitrypsin deficiency
Alpha1-antitrypsin (A1AT) deficiency is an inherited disorder that may lead to lung and/or liver disease. Find out about the causes, symptoms, diagnosis and treatment of A1AT.
Swine flu – protecting your family
How to protect yourself and your family from swine flu (influenza H1N1) and other influenza viruses.
Swine flu – influenza A (H1N1)
Swine influenza, known as swine flu or influenza A (H1N1) is a respiratory virus which caused a pandemic in 2009. Find out about swine flu symptoms, treatment and vaccination.
Video: Cough etiquette
Protect everyone around you with this simple cough etiquette and prevent the spread of respiratory illnesses.