Travel Vaccinations and Health Preparation

Timing

Seek advice six to eight weeks before departure where possible. Some vaccines require multiple doses spaced over weeks, and some take time to become effective after the final dose.

Late is better than never — some protection can still be given close to departure, and a consultation the week before travel is worthwhile rather than pointless.

What determines requirements

The specific countries and regions visited, not just the country. Risk frequently varies within a country by region and altitude.

The itinerary type: urban hotel-based travel carries different risk from rural travel, camping, or visiting friends and relatives, which is a recognised higher-risk category.

Duration and season, since some risks are seasonal.

Your own health, age, pregnancy status, immunosuppression and current medication.

Certificates and entry requirements

Yellow fever vaccination certificates are a legal entry requirement for some countries, including where you have merely transited through a risk area.

These must be obtained from an authorised centre, and the certificate becomes valid after a defined period following vaccination.

Requirements change, and checking official sources close to departure is worthwhile.

Malaria

Not preventable by vaccine in the way other diseases are, and prevention rests on avoiding bites and, where indicated, taking prophylactic medication.

Different regions have different resistance patterns, so the appropriate medication varies by destination and some must be started before travel and continued after return.

Bite avoidance matters regardless: repellent containing an effective active ingredient, covering skin at dawn and dusk, and treated nets where appropriate.

Beyond vaccination

Food and water precautions prevent the most common travel illness by a wide margin, and the practical guidance is straightforward.

Carry oral rehydration salts, which are the most useful item in a travel health kit and are frequently omitted.

Take an adequate supply of regular medication in original packaging, with a copy of the prescription, and check whether any of it is restricted at the destination — some common medications are controlled or prohibited in certain countries.

Check travel insurance covers your destination, activities and any existing conditions, declared accurately.