Your one stop Vaccination Clinic

Dengue Fever Vaccine

Dengue Fever Vaccine

We provide a full range of Dengue Fever travel vaccinations and medication

Dengue Fever

Dengue fever, a viral illness transmitted primarily by Aedes mosquitoes, is a growing global health concern. With an estimated 390 million infections annually, it poses a significant threat to human populations in tropical and subtropical regions. This arbovirus, belonging to the Flaviviridae family, is characterised by sudden onset of fever, severe joint and muscle pain, rash, and other flu-like symptoms.

Vaccination Pricing

£120 Per dose
£240 Per Course

Signs & Symptoms

  • Headache

  • Ache behind the eyes

  • Muscle and joint pain

  • A rash

  • Dengue haemorrhagic fever

  • Dengue shock syndrome

  • Organ failure or even death

The Vaccination

Ages (Years) Doses Required Schedule Time before travel Boost required at
4 years and over 2 0 & 3 months 2 weeks or more

Dengue fever is a mosquito-borne viral infection caused by the dengue virus, which has four distinct strains (DENV-1 to DENV-4). It is a major public health concern in tropical and subtropical regions worldwide, particularly in urban and semi-urban areas. While many infections are mild, dengue can lead to a flu-like illness with high fever and severe muscle pain, earning it the nickname “breakbone fever.” In more serious cases, it can progress to severe dengue, also known as dengue haemorrhagic fever, which can cause internal bleeding, shock, and, if untreated, can be fatal. There is no specific antiviral treatment, making prevention and symptom management essential.

Dengue is spread through the bite of female Aedes mosquitoes, especially Aedes aegypti, which are most active during early morning and late afternoon. The virus is not spread directly from person to person. Instead, an infected mosquito transmits the virus after biting a person who already has dengue. Prevention focuses on reducing mosquito exposure through the use of insect repellent, wearing long-sleeved clothing, using mosquito nets, and staying in air-conditioned or screened accommodation. Removing stagnant water where mosquitoes breed—such as in plant pots, buckets, and tyres—is also vital in limiting mosquito populations.

Symptoms of dengue fever usually appear 4 to 10 days after being bitten by an infected mosquito. The illness typically begins with a sudden high fever, often accompanied by severe headaches, pain behind the eyes, muscle and joint pain, nausea, vomiting, swollen glands, and a widespread skin rash. These symptoms generally last for about a week, though fatigue and weakness may persist for longer. In some cases, particularly after the fever subsides, the disease can progress to severe dengue, which is a medical emergency characterised by bleeding, low platelet count, plasma leakage, and organ impairment. Early diagnosis and supportive care are key to recovery.

The dengue vaccine, Qdenga, is designed to protect against all four strains of the dengue virus. It is administered as a two-dose course, with the second dose given three months after the first. While ongoing studies continue to evaluate the exact duration of immunity, current data suggests that the vaccine provides protection for several years following the full course. It is recommended for individuals aged 4 years and over who are travelling to areas with a high risk of dengue infection. The vaccine is particularly beneficial for those who have previously been exposed to the virus, although it can still offer protection to those without prior infection.

The dengue vaccine is advised for travellers visiting regions where dengue is endemic and outbreaks are common. This includes parts of Southeast Asia (such as Thailand, Indonesia, and the Philippines), the Indian subcontinent, Central and South America (including Brazil, Mexico, and Colombia), the Caribbean, sub-Saharan Africa, and some Pacific Islands. Those spending extended periods in high-risk areas, undertaking outdoor activities, or staying in rural accommodation are particularly encouraged to consider vaccination. Travellers should consult a travel health specialist well in advance of departure to determine whether the vaccine is appropriate for their destination and individual risk level.

The dengue vaccine is generally well tolerated, with most side effects being mild and short-lived. Common reactions include pain, redness, or swelling at the injection site, as well as fatigue, headache, and low-grade fever. Some individuals may experience muscle aches or mild gastrointestinal discomfort. These symptoms typically resolve within a few days. Serious adverse effects are very rare. As with any vaccine, there is a minimal risk of allergic reaction, but this is uncommon. The overall safety profile of Qdenga makes it a valuable tool in preventing dengue infection, particularly for travellers at higher risk of exposure in endemic regions.

Use the map below to identify areas of risk for travel.

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The Malvern Travel Clinic offers a wide range of vaccines and travel vaccinations.

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Expert Pharmacists

Our team includes expert pharmacists who are dedicated to providing you with personalised and professional healthcare advice.

Competitive Pricing

We offer competitive pricing on our vaccinations to ensure that essential healthcare is both affordable and accessible to everyone.

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