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Travel health centre

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Travel diseases and risks

Learn more about travel diseases and risks, such as malaria and cholera.

Diseases and risks

Malaria is an infection of the blood that is carried from person to person by mosquitoes.

Lyme disease is a bacterial infection transmitted by infected ticks.

Babesiosis is a malaria-like illness caused by a tick bite.

SARS stands for severe acute respiratory syndrome, and is a life threatening respiratory illness.

Get the facts on Middle East Respiratory Syndrome (MERS-CoV).

Typhoid fever is caused by the Salmonella typhi bacteria and is very contagious.

Rabies is a serious viral infection that's usually contracted by being bitten by an infected animal.

Japanese encephalitis is an incurable and life-threatening brain infection caused by a virus spread by infected mosquitos in some places abroad, including South East Asia, the Pacific islands and the Far East.

What do we know about Ebola and how much of a risk is it to UK travellers?

Yellow fever is a viral infection transmitted by a bite from an infected mosquito.

Diphtheria is a highly infectious disease caused by bacteria that can produce toxins that damage human tissue, especially in the nose and throat.

Dengue is a painful, debilitating mosquito-transmitted disease.

Cholera is an infectious disease with diarrhoea caused by contaminated food or drinking water.

Smallpox is a potentially deadly infectious disease, now eradicated worldwide.

You can catch a common cold by sitting or standing near someone on a plane who is infected, or by touching an object like a door handle or seat back after they have touched it.

Altitude sickness causes discomfort when someone rises too high too soon.

Travelling can disrupt your routine, mean changes to your normal diet and sometimes expose you to tummy bugs.

Jellyfish are becoming more common off the UK coast.

Zika virus is spread by the aedes species of mosquito, including the Aedes aegypti mosquito, which usually bites during daylight hours.

Cyclospora is a bowel infection caused by parasites in some parts of the world.

This is usually caused by poor hygiene or contaminated food or water

Rift Valley Fever (RVF) is an acute, fever-causing viral disease

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