How long do your travel jabs actually last?
Some travel vaccines cover you for a year, others for a decade or more. Here's a friendly guide to how long the common ones last, and when it's worth topping up before your next trip.
One of the questions we hear most often at the clinic is, "didn't I have that jab a few years ago — am I still covered?" It's a fair thing to wonder, because travel vaccines don't all work the same way. A few give you long-lasting protection from a single course, while others fade over time and need a booster to keep you covered.
This page is a quick, no-jargon guide to how long the common travel vaccines tend to last and when a top-up is usually due. It's general information rather than personal advice — the exact timings depend on the vaccine you had, your age and health, and where you're heading. If you're not sure where you stand, bring your records into Davyhulme Pharmacy and our pharmacist will check it all over with you.
Roughly how long the common ones last
These are typical durations for healthy adults and a guide only — your own cover can differ, so do check before you travel. Suitability and timing are always assessed by our pharmacist.
Hepatitis A
A first dose covers about a year; a booster 6-12 months later extends protection for around 25 years.
Typhoid
The common injected vaccine protects for roughly 3 years, so a booster is often needed for repeat travel.
Hepatitis B
A completed course gives most people long-term cover, often considered lifelong, though some roles need a check.
Yellow fever
A single dose now counts as lifelong protection for most people under current guidance.
Rabies
A pre-travel course offers lasting priming; you may still need prompt treatment after any animal bite.
Tetanus
Part of the combined tetanus, diphtheria and polio jab, with a booster usually advised every 10 years for travel.
Cholera
The oral course gives a couple of years of protection in adults before a top-up is considered.
Why some last years and others don't
It comes down to how each vaccine trains your immune system and how quickly that memory fades. A few jabs prompt a strong, durable response from a single dose or short course, which is why protection can last decades or even a lifetime. Others wane more gradually, so the level of protection drops over a few years and a booster is needed to lift it back up. That's why typhoid cover tends to run out long before something like yellow fever does — it's the nature of the vaccine, not a sign that the first one didn't work.
Boosters and how to time them
For the vaccines that fade, a booster simply reminds your immune system and restores your protection, usually for a similar stretch of time again. The trick is timing — most travel vaccines need to be given a week or two before you set off to work fully, and some involve more than one appointment spaced days or weeks apart. If it's a repeat trip, it helps to know roughly when your last doses were so we can work out whether you're still covered or due a top-up. There's no harm in checking early; it's far less stressful than discovering a gap the week before you fly.
Let us check your cover before you book
Working out what you've had and what you still need can get confusing, especially after a few trips over the years. That's exactly what we're here for — bring any vaccine records, your destination and your travel dates to Davyhulme Pharmacy and our pharmacist will go through them with you. We'll tell you what's still protecting you, what's worth a booster and what's brand new for your trip, then set out a sensible schedule. Where a vaccine is clinically suitable for you, we can usually arrange it here in Urmston without a trip to the GP.
Frequently asked questions
Among the common travel jabs, yellow fever now counts as lifelong protection for most people under a single dose, and a completed hepatitis B course is generally long-lasting too. A boosted hepatitis A course can cover you for around 25 years. Others, like typhoid, last only a few years.
Bring whatever records you have — a vaccine card, a printout from a previous clinic or your GP record — to Davyhulme Pharmacy. Our pharmacist will check the dates against your trip and tell you what's still active and what needs topping up. If you've no records at all, we can still talk through your options.
Not usually — for most travel vaccines you don't have to start the whole course again if it's lapsed. A single booster is often enough to bring your protection back up. The pharmacist will confirm what's needed for your situation, as it varies by vaccine.
Ideally four to six weeks before you travel, as some vaccines need more than one dose and all of them take a little time to work. That said, if your trip is sooner, still get in touch — it's often possible to do something useful, and last-minute advice is better than none.
This information is grounded in NHS and TravelHealthPro (NaTHNaC) guidance and is for general information — not a substitute for a personal consultation. Your travel consultation is carried out by our pharmacist.
Not sure if you're still covered?
Pop into Davyhulme Pharmacy in Urmston or call 0161 748 3016 and our pharmacist will check your vaccine history and sort any boosters you need.