Travel vaccine
Dengue
Protects against dengue fever
2 doses 3 months apart, so it needs planning well aheadLive vaccineStart 16 weeks before you travel
A mosquito-borne virus across the tropics, spread by mosquitoes that bite in daylight. A second infection tends to be more severe than the first, which is why previous dengue changes the advice.
Symptoms
High fever, severe headache, pain behind the eyes, joint and muscle pain, rash
How you catch it
Bites from infected day-biting Aedes mosquitoes
Incubation period
4 to 10 days
Prevention
Daytime bite avoidance and repellent, with vaccination for some travellers
Who it suits
A live vaccine. Usually considered for people who have had dengue before, or for long and repeated trips to high-risk areas, and assessed individually.