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Disease information

Disease informationFAQs

A - E

Chickenpox (varicella)

With its typical red blistering and itchy rash, chickenpox is a highly contagious but generally mild infection.

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Although rare in Australian, this acute bacterial infection can cause severe diarrhoea and vomiting leading to rapid dehydration.

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Coronavirus (COVID-19)

COVID-19 is a contagious respiratory illness which can be spread from person to person.

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While now extremely rare in Australia, diphtheria continues to cause illness overseas.

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F - J

Haemophilus influenzae type b (Hib)

Haemophilus influenzae type b (Hib) causes a bacterial infection that can lead to serious illness, especially in young children.

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Hepatitis A

This disease of the liver is caused by the hepatitis A virus. Symptoms may last for several weeks, but most people fully recover.

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Hepatitis B

This disease of the liver is transmitted through blood or other bodily fluids.

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Human papillomavirus (HPV)

HPV is a common infection that may lead to cervical and other genital cancers in a small group of people.

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Japanese encephalitis

This virus is found in many parts of Asia and is passed from animals – mainly pigs and wading birds – to humans via mosquitoes. While symptoms are rare, it can lead to serious, long-term complications.

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K - O


This infection of the liver and blood is caused by mosquito-borne parasites. In Australia, almost all cases of malaria are acquired while travelling.

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Measles is a highly contagious viral infection that causes a rash and fever.

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Meningococcal disease

Initial symptoms of meningococcal disease can be difficult to recognise, and can easily be mistaken for a common cold or virus.

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This viral infection causes swelling of the salivary glands and fever.

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P - T

Pneumococcal disease

A bacterial infection that usually affects the very young and the elderly. Others can be at risk of complications, too.

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Polio is rare in Australia but is a serious disease that is caused by infection with poliovirus.

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The rabies virus affects the nervous system and brain. A bite or scratch from an infected animal could put you at risk of rabies.

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In infants and young children, rotavirus disease is the most common cause of severe vomiting and diarrhoea.

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Also called German measles, rubella is generally a mild infection. Yet it can have serious, lifelong consequences for unborn babies or can lead to miscarriage.

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Seasonal Influenza (flu)

This highly contagious viral infection can affect anyone and is more common in winter.

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Shingles (herpes zoster)

Shingles (herpes zoster) is a disease that is caused by the same virus that causes chickenpox.

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Caused by bacteria commonly found in soil and manure, which enter the body through wounds or breaks in the skin.

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This bacterial infection, is uncommon in Australia. However, it may impact travellers to certain areas in Africa, Asia and Central and South America.

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This bacterial infection is spread via contaminated food and water. It is common in countries with poor hygiene and untreated drinking water.

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U - Z

Whooping cough (pertussis)

This bacterial infection is highly contagious and affects people of all ages. It can cause serious disease in babies and complications in older adults.

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Yellow fever

This mosquito-borne virus is found in Africa and Central and South America. Proof of immunisation is needed if you are travelling from a country with risk.

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PM-AU-AVX-WCNT-190027 Date of GSK Approval: July 2021