Vaccines you need for South America: yellow fever, typhoid, and more

Do you need vaccines for South America?

If you are planning a trip to South America, the short answer is yes. The specific vaccines you need depend on where you are going, how long you will stay, and what you will be doing there. Some vaccines are essential for almost all travellers. Others are recommended only for certain regions or activities.

The good news is that your pharmacist can assess your exact itinerary and advise you on which jabs are right for you. This is not something to guess about or delay until the last minute.

Which vaccines matter most

Yellow fever is the vaccine most people associate with South America. It is required for entry to several countries, including Brazil, and strongly recommended across the continent. A single dose gives lifelong protection for most people.

Typhoid is a bacterial infection spread through contaminated food and water. It is common in parts of South America and can be serious. The vaccine is quick and straightforward.

Hepatitis A is another food and water-borne illness. Many travellers to South America need this protection, especially if you plan to eat street food or travel outside major cities.

Hepatitis B may be recommended depending on your activities and how long you are staying. It is spread through blood and body fluids.

Polio, tetanus, and diphtheria are routine vaccines. If your UK schedule is up to date, you may not need a booster. Your pharmacist will check your records.

Rabies is worth considering if you plan to spend time in remote areas or work with animals.

Other vaccines such as Japanese encephalitis or meningococcal cover specific regions or situations. Your travel clinic will discuss these with you.

Yellow fever: who needs it and why

Yellow fever is a viral infection spread by mosquitoes. It can cause fever, jaundice, and organ failure. There is no cure, only supportive care, which is why prevention matters.

Several South American countries require proof of yellow fever vaccination for entry. These include Brazil, Bolivia, Ecuador, and Peru. If you plan to visit the Amazon, rainforest areas, or rural regions, the vaccine is strongly advised even if not legally required.

The vaccine is given as a single injection. It takes about ten days to become effective. One dose is thought to provide lifelong immunity, though some countries may ask for a booster after ten years if you are a frequent traveller.

Side effects are usually mild: a sore arm, low fever, or mild headache for a day or two. Serious reactions are rare.

Typhoid: oral or injection

You have two options for typhoid protection.

The injected vaccine is a single dose given into the arm. It works within one to two weeks and lasts about three years. It is quick and straightforward.

The oral vaccine is a course of four capsules taken on alternate days. It takes about one to two weeks to work and lasts about three years. Some people prefer it because there is no injection, but you must remember to take all four doses and follow the timing carefully.

Which one suits you depends on your schedule and preference. Your pharmacist can discuss both and help you decide.

Hepatitis A: food and water protection

Hepatitis A is spread through contaminated food and water. If you are travelling to South America, especially to rural areas or countries with lower sanitation standards, this vaccine is important.

The vaccine is given as an injection. You need two doses: the second dose is given six to twelve months after the first. After both doses, you have long-term protection, possibly lifelong.

If you are short on time, you can have the first dose now and the second dose before you leave, though the ideal gap is longer. Your pharmacist will advise on the best timing for your trip.

Hepatitis B and other considerations

Hepatitis B is spread through blood and body fluids. You may need it if you plan a long stay, work in healthcare, or engage in activities where blood exposure is possible.

Polio, tetanus, and diphtheria are part of your routine UK schedule. Check whether your vaccinations are up to date. If you have not had a booster in the last ten years, a dose is sensible before travel.

Rabies is worth considering if you plan to trek in remote areas, camp, or work with animals. It requires three doses over three to four weeks, so plan ahead.

Meningococcal vaccines cover specific strains. Your pharmacist will tell you if any are relevant to your itinerary.

How to prepare for your travel vaccines

Start your planning at least four to six weeks before you travel. Some vaccines need multiple doses or time to become effective. Yellow fever needs about ten days. Hepatitis A ideally needs two doses spread over six months, though faster schedules are possible if you are short on time.

Bring your NHS records or a record of any vaccines you have had in the past five years. This helps your pharmacist check what you already have and avoid unnecessary repeats.

Tell your pharmacist if you are pregnant, breastfeeding, have a weakened immune system, or are taking any medicines. Some vaccines are not suitable in these situations, and you will need personalised advice.

If you are unsure about your vaccine history, your GP surgery can print a record for you.

Common questions about South America travel vaccines

Do I need all these vaccines?

No. Your specific needs depend on where you are going, how long you will stay, and what you will be doing. Yellow fever and typhoid are the most common. Your pharmacist will tailor advice to your itinerary.

How much time do I need before I travel?

At least four to six weeks is ideal. Some vaccines need multiple doses or time to become effective. If you are travelling sooner, tell your pharmacist and they will work out the fastest safe schedule.

Can I have multiple vaccines at once?

Yes. Most travel vaccines can be given at the same time, often in different arms. Your pharmacist will explain the plan.

What if I am pregnant or breastfeeding?

Some vaccines are safe in pregnancy and breastfeeding; others are not. You need personalised advice from your pharmacist or GP. Do not delay seeking this advice.

Do I need malaria tablets as well?

Possibly. Malaria is a separate concern from vaccines. Your pharmacist can advise on whether you need antimalarial tablets for your specific destination.

How long do these vaccines last?

Yellow fever is thought to be lifelong after one dose. Typhoid and hepatitis A last about three years. Polio, tetanus, and diphtheria boosters last ten years. Your pharmacist will tell you when you might need repeats if you travel again.

What if I have had yellow fever before?

Tell your pharmacist. You may not need another dose, but some countries have specific rules about proof of vaccination. Your pharmacist can advise.

Are there side effects?

Most travel vaccines cause only mild, short-lived side effects: a sore arm, low fever, or mild headache. Serious reactions are very rare. Your pharmacist will explain what to expect and what to do if you have concerns.

Book your travel consultation

Planning a trip to South America means getting the right vaccines at the right time. Fulham Palace Pharmacy in Fulham offers a full travel clinic service where a pharmacist will review your itinerary, check your existing vaccinations, and create a personalised schedule for you. We offer same-day appointments and evening slots to fit around your work and travel plans.

Book a travel consultation today to make sure you are protected before you go.