Yellow fever is a serious viral infection spread by Aedes and Haemagogus mosquitoes in parts of Africa, South America and Central America. The illness can cause high fever, jaundice (yellowing of the skin and eyes), bleeding, and in severe cases, organ failure.
If you are travelling to a country where yellow fever is present — or to a country that requires proof of vaccination for entry — you will need a valid yellow fever vaccination and certificate.
Northfields Travel Clinic, based at Bramley Pharmacy, is a Registered Yellow Fever Vaccination Centre, authorised to administer the vaccine, issue International Certificates of Vaccination or Prophylaxis (ICVPs), re-issue certificates, and provide exemption letters where clinically appropriate.
Yellow fever is transmitted by infected mosquitoes that bite during the day. These mosquitoes:
Thrive in both rural and urban environments
Breed in standing water
Are common in forests, cities and coastal regions
Spread infection rapidly in outbreak settings
The highest-risk regions include:
Large parts of Sub-Saharan Africa
Regions of South America (including Brazil, Peru, Colombia, Bolivia)
Certain areas of Central America
Trinidad in the Caribbean
You can check country-specific recommendations via the official NaTHNaC resource:
https://travelhealthpro.org.uk/factsheet/43/yellow-fever
Symptoms typically develop 3–6 days after a mosquito bite. Early symptoms include:
Fever
Headaches
Muscle and back pain
Chills
Loss of appetite
Dizziness
Nausea or vomiting
Light sensitivity
While many people recover, some progress to a severe form of the disease, with:
Jaundice (yellow skin/eyes)
Dark urine
Severe stomach pain
Vomiting
Bleeding
Liver and kidney failure
Severe yellow fever can be fatal — there is no cure. Prevention is essential.
We provide the Stamaril® yellow fever vaccine — the only WHO-approved vaccine widely available in the UK.
Single dose
Brand: Stamaril®
Price: £69
Protection begins: 10 days after vaccination
Valid for entry: From 10 days after vaccination
Certificate validity: Lifetime
Booster: Not routinely required, but may be considered in specific groups
If you have recently received an MMR vaccine, you must wait 4 weeks before receiving yellow fever.
If you cannot leave a 4-week gap, yellow fever can still be given — but an additional MMR dose may be needed later.
Your clinician will discuss this with you during your assessment.
The International Health Regulations state that your Yellow Fever Certificate (ICVP) becomes valid 10 days after vaccination.
If you reach your destination earlier than this, your certificate may be rejected and immigration authorities may deny entry.
Yellow fever vaccination is not suitable for everyone. It may not be recommended if you:
Are younger than 9 months
Are over 60 years old (risk–benefit assessment required)
Have a weakened immune system
Are pregnant or breastfeeding (risk-based decision)
Have had a severe allergy to eggs
Have certain chronic or autoimmune conditions
Have previously had a transplant or are on immunosuppressive treatment
If the risks outweigh the benefits, we can issue a clinically appropriate Yellow Fever Exemption Letter.
Northfields Travel Clinic is authorised to issue:
You will be given an official International Certificate of Vaccination or Prophylaxis, valid for life.
If your certificate is lost, damaged or you have changed your name, we can re-issue it if vaccination can be confirmed.
Provided after a clinical risk assessment by our travel specialist pharmacist — especially relevant for:
Those medically unable to receive the vaccine
Pregnant individuals
Patients with severe allergies
Travellers aged >60 with risk factors
Immunocompromised patients
Some countries may still refuse entry with an exemption letter — we will advise you.
Even with vaccination, you should still:
Use 30–50% DEET or equivalent mosquito repellent
Wear long sleeves and trousers
Sleep in screened or air-conditioned accommodation
Use plug-in vaporisers
Reduce exposure at dawn and dusk
Remove or avoid standing water
These measures also protect against dengue, Zika and Chikungunya.
A single dose of Stamaril® provides lifelong protection for most people.
A booster may be considered for:
People vaccinated while pregnant
Children vaccinated before age 2
People with weakened immune systems
Those vaccinated before a bone marrow transplant
Certain travellers with ongoing occupational risk
Your clinician will advise individually.
Northfields Travel Clinic provides Yellow Fever vaccination on-site at Bramley Pharmacy, 261 Northfield Avenue, Ealing (W5).
Use our online booking widget to select your appointment time.
If you need a replacement certificate or exemption letter, please mention this when booking or during your consultation.
Yes for most travellers, but your suitability must be assessed, especially if you are pregnant, over 60, have allergies, or have a weakened immune system.
No — Stamaril® is a live-attenuated vaccine, but it does not cause yellow fever. However, it must be used cautiously in certain groups.
Yes. Under WHO International Health Regulations, once issued, it remains valid for life.
You must be vaccinated at least 10 days before entering a country requiring a Yellow Fever Certificate.
Yes. We can re-issue lost or damaged certificates (charges apply).
Yes — after a clinical assessment. Some countries may not accept exemptions; we will advise you.
Yes, except for MMR — where a 4-week gap is preferred.
NaTHNaC / TravelHealthPro – Yellow Fever:
https://travelhealthpro.org.uk/factsheet/43/yellow-fever
World Health Organization (WHO) – Yellow Fever:
https://www.who.int/news-room/fact-sheets/detail/yellow-fever
International Health Regulations (ICVP Guidance):
https://www.who.int/ith