What Is Yellow Fever?

Yellow fever is a serious, potentially life-threatening disease caused by a virus transmitted through the bite of infected Aedes and Haemagogus mosquitoes. It occurs primarily in tropical regions of Africa and South America.

In mild cases, symptoms may include: 

  • Fever 
  • Muscle pain 
  • Headache 
  • Nausea 
  • Fatigue 

In severe cases, yellow fever can cause: 

  • Jaundice (yellowing of skin and eyes) 
  • Internal bleeding 
  • Organ failure 
  • Death 

There is no specific antiviral treatment, but the vaccine provides lifelong protection in most people. 

What is the Yellow Fever Vaccine?

The yellow fever vaccine is a live attenuated virus vaccine that helps your body develop immunity against the disease. It is safe and highly effective, with a single dose offering lifelong protection in most individuals.

Vaccine type: Live attenuated virus 

Dosage: Single dose only 

Protection duration: Lifetime, there is no need for a booster dose

Effective within: 10 days 

Validity of Certificate: Lifetime (per WHO guidelines) 

Certificate issued: Effective 10 days after vaccination (ICV / Yellow Book), your vaccination date MUST be 10 days before your date of arrival in countries that require the certification of Yellow Fever vaccination for entry.

Source: HealthHub, CDC

Is Yellow Fever Vaccination Required for My Trip?

You may require the vaccine if: 

  • You are travelling to a country with risk of yellow fever transmission 
  • You are transiting through a yellow fever-endemic country 
  • You are entering a country that requires proof of yellow fever vaccination 

Example: Angola, Cameroon, Congo, Uganda and more. For the full list of countries with risk of yellow fever, please visit CDC. 

Even transit through airports in yellow fever countries (more than 12 hours) may require proof of vaccination upon arrival in another destination like South Africa or India. 

Always check with the destination embassy, CDC, or MOH Singapore for the latest requirements. 

yellow fever vaccine - protect against yellow fever transmission in Africa and South America

When Should I Get Vaccinated?

You should receive the yellow fever vaccine at least 10 days before travel to ensure:

  • Full protection has developed
  • Your International Certificate of Vaccination is considered valid at immigration checkpoints

Who Should NOT Receive the Yellow Fever Vaccine?

The Yellow Fever vaccine may not be suitable for: 

  • Infants under 9 months old 
  • Pregnant or breastfeeding women (unless travel is unavoidable) 
  • Individuals with severe allergies to egg protein and chicken
  • People with weakened immune systems (e.g. cancer, HIV, immunosuppressive medication) 
  • Patients who have had chemotherapy/immunotherapy/radiotherapy within the past year.
  • Individuals with a history of thymus disease or removal, or have had an open heart surgery.

Our Doctor will assess your eligibility before vaccination.

What Happens During the Appointment?

Your Yellow Fever vaccination appointment includes:

1. Travel health consultation

  • Review of travel route
  • Eligibility check
  • Discussion of risks and precautions

2. Vaccination (single dose)

3. Issuance of International Certificate of Vaccination (ICV)

  • Valid from 10 days post-vaccination
  • Lifetime validity

4. Post-vaccination observation (15–30 minutes)

Yellow Fever Vaccine Available

At Regis Medical, we offer single dose Yellow Fever vaccine, with lifetime protection. 

Taken at least 10 days before travel, suitable for adults and children aged 9 months old and above.

Type of Vaccine
Price
Yellow Fever vaccine
$250

Please Note:

Prices are listed in SGD and are for 1 dose of the vaccine ONLY. Prices are exclusive of GST. Mandatory consultation and administration charges are applicable.

*Prices listed were last updated on 1 July 2024. Prices may be subject to change.

Other Travel Vaccines

Regis Medical provides a comprehensive list of travel vaccines catered to your travel plans.

Vaccine Price Why It’s Recommended Dosage and When to Take
Influenza $45 Recommended all year round for all travellers to Especially during peak seasons. 1 dose
At least 2 weeks before travel
Hepatitis A $88 Common foodborne illness risk, especially if eating unclean food, night markets, or consuming raw/undercooked food 2 doses, 6 months apart
First dose at least 2 weeks before travel
Hepatitis B $45 Recommended if there is potential exposure through medical care, tattoos, injuries, or sexual contact 3 doses: at 0, 1, and 6 months
Booster: at least 2 weeks before travel if previously vaccinated
Typhoid $39 Recommended for travellers staying in rural areas or eating street food frequently 1 injectable dose
At least 2 weeks before travel
Pneumococcal $250 For travellers age 65 and above or those with chronic heart, lung, liver, or kidney conditions 1 dose
At least 2 weeks before travel

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Dr Paul Chang of Regis Medical GP Clinic

Dr Paul Chang

General Practitioner

Men's Health Sexual Health Dermatological Conditions Sports Medicine

Finding Us

Holland Village

255 Holland Ave, Singapore 278983

Near MRT Exit B

CC21
2 min walk

Mon, Tues, Thurs, Fri:

8.30am - 2.30pm

5.30pm - 10.00pm  

Wed:

8.30am - 2.30pm  

Sat:
9.00am - 3.00pm

Closed on Sundays and Public Holidays. For the latest updates on our clinic’s opening hours, please check our Google Maps.

** GP registration ends 15 mins before the closing time above, while Physiotherapy & Acupuncture end registration 45 mins before. Please book an appointment in advance to avoid queues and disappointment.

WhatsApp Us Call Us (8118 5298) Get Directions Read more

Katong

437 Joo Chiat Road, Singapore 427650

Near Marine Parade MRT

TE26
Shopfront Parking

Mon, Tues, Thurs, Fri:

8.30am - 2.30pm

5.30pm - 10.00pm  

Wed:

8.30am - 2.30pm  

Sat:
9.00am - 3.00pm

Closed on Sundays and Public Holidays. For the latest updates on our clinic’s opening hours, please check our Google Maps.

** GP registration ends 15 mins before the closing time above, while Physiotherapy & Acupuncture end registration 45 mins before. Please book an appointment in advance to avoid queues and disappointment.

WhatsApp Us Call Us (9851 3728) Get Directions Read more

FAQ

Accessibility & Support

What is Regis Medical GP clinic’s locations and opening hours?

Regis Medical Holland Village is located at 255 Holland Avenue, Singapore 278983

Regis Medical Katong is located at 437 Joo Chiat Road, Singapore 427650

Click here to view our opening hours
Can I do walk-in Vaccinations?

Yes, you can just walk in for Hepatitis B vaccinations. However, we always recommend you booking an appointment in advanced to avoid waiting time.

Appointment

How do I book a vaccination appointment?

To book an appointment at Regis Medical Holland Village, please call or whatsapp us 8118 5298

To book an appointment at Regis Medical Katong, please call or whatsapp us 9851 3728

What are Regis Medical’s cancellation and refund policy?

You can only cancel or change your appointments up to 24 hours before your appointment. You will receive your refund within 3 working days. No refund will be issued for no shows and cancellations within 24 hours before your appointment.

Can I reschedule my appointment? 

Yes. You can reschedule your appointments. However, you need to reschedule your appointment at least 24 hours before your actual appointment time.

What happens if I miss my appointment?

No refund will be issued for missed appointments.

Finance

What are the modes of payment accepted at Regis Medical?

We accept Visa/Mastercard/AMEX, PayNow, JCB, UnionPay and ApplePay.

General Enquiry

What is Yellow Fever?
Yellow fever is a serious viral infection transmitted by mosquitoes, mainly in certain parts of Africa and South America. It can cause fever, muscle aches, jaundice, bleeding, organ failure, and can be life-threatening in severe cases.
Why do I need a Yellow Fever vaccine before travelling?
The Yellow Fever vaccine helps protect you from infection when travelling to areas where the virus is present. Many countries also require proof of Yellow Fever vaccination for entry, especially if you have visited or transited through a Yellow Fever–risk country.
Which countries or regions have a higher risk of yellow fever?
Yellow Fever risk is mainly in tropical regions of Africa and South America. Examples include countries such as Angola, Cameroon, Congo, Uganda, Ghana, Nigeria, Brazil, and Peru. Requirements vary by country, so always check official travel advisories before your trip.
Do all countries require proof of Yellow Fever vaccination?
No, only some countries require proof of vaccination. Requirements depend on your travel route and transit, andwhether you are arriving from or have recently visited a Yellow Fever–risk country. It is important to check the latest rules from the destination country’s embassy or official health authority.
How long before my trip should I get vaccinated?

You should receive the Yellow Fever vaccine at least 10 days before entering a country that requires the vaccine. The International Certificate of Vaccination only becomes valid 10 days after your vaccination date.

How long does the Yellow Fever vaccine last? Do I need a booster?
For most people, one dose of the Yellow Fever vaccine provides lifelong protection, and the International Certificate of Vaccination is valid for life. Boosters are generally not required unless specifically advised by a doctor.
Is the Yellow Fever vaccine safe?

The Yellow Fever vaccine is safe and effective for most healthy travellers. Like all vaccines, it may cause mild, short-term side effects. Our Doctor will review your medical history to ensure it is suitable for you.

What if I have allergies?
If you have had a previous serious reaction to the Yellow Fever vaccine or are known to be allergic to any of its components (including egg protein and chicken), please inform Our Doctor before your visit. Our Doctor will review your allergy history, assess whether it is safe for you to receive the vaccine, and may advise an exemption letter or alternative travel plans if vaccination is not suitable.
What are the possible side effects?
Most are mild and short-lived: soreness, redness, or swelling at the injection site, mild fever. Serious reactions are very rare.
Can yellow fever vaccine cause a severe allergic reaction?
It’s extremely rare. Severe allergic reactions (anaphylaxis) are estimated to occur in fewer than 1 in a million doses. We will monitor you in the clinic for a short period after vaccination and advise you on symptoms that require urgent care. Regis Medical are prepared with emergency treatments just in case.
Can pregnant or breastfeeding women take the vaccine?

The Yellow Fever vaccine is generally not recommended in pregnancy or while breastfeeding unless travel is unavoidable and the risk of infection is high. Our Doctor will assess your individual situation and discuss the risks and benefits.

Does the Yellow Fever vaccine guarantee 100% protection?
No vaccine offers 100% protection. However, the Yellow Fever vaccine is highly effective, and a single dose provides long-lasting immunity for most people. It remains important to take mosquito bite precautions when travelling.
Can I take the Yellow Fever vaccine at the same time as other travel vaccines?

Yes, the Yellow Fever vaccine can often be given together with other travel vaccines, depending on your health status. Our Doctor will review your medical history and advise on the safest and most appropriate schedule.

What if I lose my Yellow Fever vaccination certificate?

If you received your Yellow Fever vaccination at our clinic, we may be able to issue a replacement International Certificate of Vaccination. Please contact us with your details so we can assist.

Can I take the Yellow Fever vaccine if I’m on other medications?

In many cases, yes. Please bring a list of your current medications to your appointment. Our Doctor will review them and determine if the Yellow Fever vaccine is suitable for you.

Yellow fever is a serious, potentially life threatening disease caused by a virus transmitted through the bite of infected Aedes and Haemagogus mosquitoes. It occurs primarily in tropical regions of Africa and South America. The yellow fever vaccine is a live attenuated virus vaccine that helps your body develop immunity against the disease. It is safe and highly effective with a single dose offering lifelong protection in most individuals. You may require the yellow fever vaccine if: You are traveling to a country with risk of yellow fever transmission. You are transiting through a yellow fever endemic country. You are entering a country that requires proof of yellow fever vaccination. Even transit through airports in yellow fever countries. More than 12 hours may require proof of vaccination upon arrival in another destination like South Africa or India. Always check with the destination embassy, CDC or MOH Singapore for the latest requirements. We recommend that you receive the yellow fever vaccine at least ten days before travel to ensure that full protection has developed and your International Certificate of Vaccination is considered valid at immigration checkpoints. Do note that the yellow fever vaccine may not be suitable for infants under nine months old. Pregnant or breastfeeding women, unless travel is unavoidable. Individuals with severe allergies to egg protein. People with weakened immune systems like cancer, HIV, immunosuppressive medication. Individuals with a history of thymus disease or removal. The yellow fever vaccine is a simple, safe way to protect yourself and your loved ones from a highly contagious virus. At Regis Medical, we’ll make sure you and your family are protected before you travel, or if you are at higher risk.