![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/aedes-albopictus-mosquito.jpg)
Chikungunya
This viral infection occurs in some tropical and subtropical regions of the world, predominantly transmitted through the bite of an infected Aedes mosquito
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/outdoor-tap.jpeg)
Cholera
Cholera is an acute diarrhoeal disease usually associated with poverty, poor sanitation and inadequate access to clean drinking water
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/mosquito-aedes-albopictus.jpg)
Dengue
Dengue is an infection caused by the dengue virus of which there are four different subtypes. The disease is transmitted by mosquitoes
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/street-food.jpg)
Hepatitis A
Hepatitis A may occur without symptoms or may result in a mild illness lasting a few weeks; however, the disease tends to become more severe with advancing age
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/liver-anatomical-model-on-doctor-s-table-during-consultation.jpg)
Hepatitis B
The hepatitis B virus is one of the most prevalent blood-borne viruses worldwide and is a major cause of chronic liver disease and liver cancer
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/Sneeze.jpg)
Influenza (flu)
Influenza is a highly infectious, viral infection of the respiratory tract
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/rice-field.jpg)
Japanese encephalitis
Japanese encephalitis is transmitted to humans in predominantly rural parts of Asia and the Western Pacific especially where rice growing and pig farming are common
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/malaria-awareness-word-cloud.jpg)
Malaria
Malaria is a serious and potentially life threatening disease, transmitted to humans through the bite of infected female Anopheles spp. mosquitoes
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/11747546_940_352l.jpg)
Meningococcal disease
Meningococcal disease is a rare, but potentially devastating infection in travellers caused by the bacteria Neisseria meningitidis
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/baby-in-arms.jpg)
Pertussis (whooping cough) and travel
Information about pertussis and the UK vaccination regime
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/polio-vaccine-pakistan.jpg)
Poliomyelitis
Poliomyelitis (polio) is a potentially paralysing viral infection that only occurs in humans
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/Dog-sleeping-Rabies.jpg)
Rabies
Rabies occurs in warm-blooded mammals and is transmitted to humans, most often by a bite or scratch from an infected animal, usually a dog
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/lake-malawi.jpg)
Schistosomiasis
A parasitic disease most common in tropical regions, especially Africa, Schistosomiasis infection occurs through direct contact with contaminated water
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/condoms.jpg)
Sexually transmitted infections
New sexual partnerships and unprotected intercourse is relatively common amongst travellers. Read about some of the risks to consider
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/castor-bean-tick-ixodes-ricinus.jpg)
Tick-borne encephalitis
Tick-borne encephalitis is a viral infection which can cause a range of symptoms from a mild and short-lived febrile illness to a severe infection of the central nervous system
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/street-food.jpg)
Travellers' diarrhoea
Following advice on food and water hygiene is sensible, but travellers should always be prepared to manage the symptoms of travellers' diarrhoea
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/NHS-Photo-Salad.jpg)
Typhoid and paratyphoid
Typhoid and paratyphoid (also known as enteric fevers) are infections acquired by the ingestion of food or water contaminated by Salmonella Typhi and Salmonella Paratyphi A, B or C
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/ebola-who.jpg)
Viral haemorrhagic fever
Viral haemorrhagic fevers (VHFs), with the exception of dengue, are very rare in UK travellers. They can cause a range of symptoms from relatively mild illness, to severe, life-threatening disease
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/Mosquito.jpg)
West Nile virus
Transmitted to humans by mosquitoes, the virus is present on every continent except Antarctica
![](https://travelhealthpro.org.uk/media_lib/mlib-uploads/full/Yellow-fever-certificate.jpg)
Yellow fever
Yellow fever is caused by a virus, which circulates between infected monkeys or humans and mosquitoes