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Infectious diseases

Bronchitis causes your airways (bronchi) to become irritated and inflamed, producing more mucus and a cough.

Bronchitis

Bronchitis is the inflammation of the larger airways in your lungs, which causes an ongoing cough. Learn how to reduce the risk of bronchitis.

Chickenpox

Chickenpox is a mild and common childhood illness, but can also occur in adults. Here’s how to help ease symptoms and discomfort.

Chlamydia

Chlamydia is a common STI in Australia. Learn more about the prevention, testing and treatment of chlamydia, as well as contact tracing.

Colds and flu

Find out more about how to treat the cold or flu, how to avoid catching the cold or the flu and special cases in which to take extra care.

Conjunctivitis is an inflammation of the lining of the eye and eyelid.

Conjunctivitis

Known as ‘pink eye’, conjunctivitis is a contagious disease that turns the whites of the eye pink. Read about symptoms and treatments here.

Coronavirus (COVID-19)

Health advice on COVID-19, including when to get tested or self-isolate, symptoms, how to avoid infection, physical distancing and restrictions.

Cough is a common symptom for colds and the flu.

Cough

Most coughs are caused by viruses which inflame the throat, windpipe or lungs. Here are some tips to relieve the symptoms.

Diarrhoea

Diarrhoea may last for just a few days, or it might be a sign of something more serious. Find out here about causes, symptoms, diagnosis and treatment...

Protection is required when examining people with Ebola virus

Ebola virus

Ebola is a rare and often fatal illness. Learn about the Ebola virus, who’s at risk, symptoms and treatment options.

Genital herpes

Genital herpes is spread by skin-to-skin contact – even through kissing or foreplay. There are things you can do to control it, learn more here.

Condoms with a water-based lubricant help prevent gonorrhoea.

Gonorrhoea (the clap)

Also known as 'the clap', gonorrhoea often has no symptoms. Learn how to spot symptoms, maintain and how gonorrhoea is treated.

Hepatitis B

Hepatitis B can lead to liver damage over time. If it turns out you have hepatitis B, it is important to protect others from infection. Find out how.

HIV infection and AIDS

Today, people with HIV are unlikely to develop AIDS if they get effective treatment. Here’s what to do if you think you might have been exposed.

Impetigo - baby with rash on his arm

Impetigo

Impetigo, or school sores, is a highly contagious skin infection that causes sores and blisters. It's very common and affects mainly children.

Lyssavirus (ABLV)

Find out about Australian bat Lyssavirus, and learn how it can be prevented if you are bitten or scratched by a bat.

Measles

Measles is a highly infectious viral disease, spread from person to person via droplets in the air. Learn about the symptoms and why vaccination is es...

Mumps

Mumps is a contagious viral infection, most common in children between 5 and 15 years. These days it’s rare thanks to effective immunisation.

Mild fever of 38 degrees C or more is a common symptom of rubella.

Rubella (German measles)

Rubella (also known as German measles) is best prevented by the MMR vaccination. Learn more about its distinctive rash, other symptoms and treatments.

Shingles

Shingles is a painful rash caused by the chickenpox virus. Here's how to recognise the symptoms and find the treatment that's best for you.

Sinusitis

Sinusitis is when the hollow spaces in the bones of your face become inflamed. Sinusitis is a common symptom for colds and the flu and it can be diffi...

Girl with sore throat

Sore throat (pharyngitis)

Pharyngitis is normally a symptom of a bacterial or viral infection and is common with a cold or flu. Here's how to care for a sore throat.

Thorough hand washing can help prevent the spread of staph infections.

Staph infections

Are you at risk of a staph infection? Learn how to spot the signs and symptoms of different kinds of staph infection, and how to prevent and treat it.

Syphilis

Syphilis is relatively rare in Australia. It can cause serious health problems if left untreated. However, syphilis is easy to cure if found early.

People with tonsillitis should drink plenty of fluids while resting.

Tonsillitis

Tonsillitis is an infection and swelling of the tonsils at the back of the throat. Learn about its symptoms and treatments.

Whooping cough

Whooping cough is a contagious bacterial infection and is most serious in babies. Here’s how to spot the symptoms and protect infants.

Tuberculosis

This highly infectious disease, which mostly affects the lungs, can be spread through coughing, sneezing, speaking or even singing.

Vomiting

Vomiting in adults is usually not a sign of anything serious and tends to only last one or two days. Learn the causes and when to seek medical advice.

Little boy learning to potty train.

Worms in humans

Signs of a threadworm infection include an itchy bottom, disturbed sleep, irritability, tiredness and a lack of interest in eating.

Notification of illness and disease

‘Notifiable’ diseases are ones where government health authorities must be notified about occurrences. Learn why this is important and about the info...

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