The green book travel chapters
UK Health Security Agency Immunisation against infectious disease, the 'green book' travel chapter updates
The following chapters are the latest updates on travel-related vaccines following discussion at the Joint Committee on Vaccination and Immunisation (JCVI) Travel Sub-Committee and approval by the main JCVI.
Select from the dropdowns below to reveal PDF links of the green book chapters.
Cholera
Cholera is an acute diarrhoeal illness caused by the gram-negative bacterium Vibrio cholerae. Following colonisation of the small bowel, V. cholerae produces an enterotoxin that causes secretion of fluid and electrolytes and leads to painless, watery diarrhoea. Cholera is characterised by the sudden onset of profuse, watery stools with occasional vomiting.
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Cholera: the green book, chapter 14PDF
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Updated: 01 August 2024
Dengue
Dengue is an acute febrile illness caused by the dengue virus, spread by the bite of an infected Aedes mosquito. Most cases are mild or asymptomatic, but severe, life-threatening disease can occur. It is endemic in more than 100 countries in Africa, the Americas, Eastern Mediterranean, South-east Asia, and Western Pacific region, with sporadic cases occurring in some European countries.
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Dengue: the green book, chapter 15aPDF
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Updated: 15 October 2024
Japanese encephalitis
Japanese encephalitis (JE) is a mosquito-borne viral encephalitis caused by a flavivirus. It is the leading cause of childhood encephalitis in Asia, with an estimated 68,000 clinical cases per annum (World Health Organization, 2019).
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Japanese encephalitis: the green book, chapter 20PDF
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Updated: 06 February 2024
Yellow fever
Yellow fever is an acute flavivirus infection spread by the bite of an infected mosquito.
In February 2024, this chapter was updated to include new guidance on yellow fever vaccination for individuals with an allergy to egg. Guidance has been added from the Society for Cardiothoracic Surgery in Great Britain and Ireland (SCTS) on thymectomy and cardiac surgery. In March 2024, further updates have been added to the reinforcing immunisation content.
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Yellow fever: the green book, chapter 35PDF
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Updated: 01 March 2024
Resources
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New dengue chapter added.
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Cholera chapter added with updated epidemiology and vaccine information to include Vaxchora®.
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Yellow fever chapter added with updated reinforcing immunisation content.
Explore more
Educational events
A list of courses, conferences and study days of relevance to UK health professionals working, or wishing to work, in the field of travel medicine
Updated: 07 January 2025Polio vaccination certificate
How to complete an International Certificate of Vaccination or Prophylaxis (ICVP) for polio
Updated: 10 December 2024Vaccines and medicines: availability, supply, shortages and use of unlicensed medicines
Information for health professionals on availability of vaccines and use of unlicensed products
Updated: 19 November 2024Infectious diseases
Malaria
Malaria is a serious and potentially life-threatening disease, transmitted to humans through the bite of infected female Anopheles spp. mosquitoes
Updated: 13 February 2024Influenza (flu)
Influenza is a highly infectious, viral infection of the lungs and airways
Updated: 18 December 2024Dengue
Dengue is an infection caused by the dengue virus of which there are four different subtypes. The disease is transmitted by mosquitoes
Updated: 29 July 2024Preparing for healthy travel
Insect and tick bite avoidance
Protection from insect and tick bites is essential to help prevent vector-borne diseases such as malaria, yellow fever and Zika
Updated: 21 March 2024Travel Insurance
Travellers must declare medical conditions when taking out travel insurance to ensure they are suitably covered
Updated: 26 September 2019Special risk travel/traveller
Hajj and Umrah
The Ministry of Health of Kingdom of Saudi Arabia issue their requirements and recommendations for Hajj and Umrah annually
Updated: 15 May 2024Travelling with additional needs and/or disability
This factsheet provides an overview and advice on the points to consider when travelling with additional needs and/or disability
Updated: 06 February 2018Sickle cell disease and thalassaemia
Information on pre-travel preparation, tips to stay health abroad and links to useful resources for travellers with sickle cell disease and thalassaemia
Updated: 19 February 2021Clinic resources
Educational events
A list of courses, conferences and study days of relevance to UK health professionals working, or wishing to work, in the field of travel medicine
Updated: 14 March 2017Vaccines and medicines: availability, supply, shortages and use of unlicensed medicines
Information for health professionals on availability of vaccines and use of unlicensed products
Updated: 17 October 2022The green book travel chapters
UK Health Security Agency Immunisation against infectious disease, the 'green book' travel chapter updates
Updated: 06 February 2024
