Dengue fever

Dengue is a viral infection that is transmitted via the bite of particular types of mosquitoes. It most commonly occurs

Vaccination and antibodies

Since the introduction of widespread vaccination programmes, millions of people have been protected against potentially fatal diseases, and countless lives

Travellers’ diarrhoea

Travellers’ diarrhoea is a fact of life when travelling, no matter how careful you are with food and drink. Between

Ross River virus

Ross River virus infection is spread by the bites of infected female mosquitoes (freshwater and saltwater), but it causes symptoms

Listeria risk in pregnancy

Listeria is a type of bacteria that can cause a serious illness (listeriosis) in pregnant women. Listeria bacteria are widely

Altitude sickness

Altitude sickness or mountain sickness is caused by having less oxygen in your bloodstream at higher altitudes compared with sea

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