Vaccination Requirements for Vietnam, Cambodia, Laos & Thailand: Essential Health Guide for Southeast Asia Travelers

Written by Tony Bùi, with over 20 years of experience in the travel industry, personally guiding and organizing tours for over 100,000 travellers across Southeast Asia. This guide draws from firsthand insights and guest feedback from Legend Travel Group surveys. © Legend Travel Group since 2008 – All rights reserved.

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Southeast Asia’s crown jewels – Vietnam, Cambodia, Laos, and Thailand – deliver unforgettable temples, emerald rice fields, floating villages, and turquoise beaches. To enjoy them fully and keep peace of mind, smart health preparation is essential.
Legend Travel Group has safely welcomed thousands of international guests every year since 2008. This guide combines official health recommendations with practical advice so you can focus on the adventure while we handle the details.

Whether you’re dreaming of cruising Ha Long Bay, exploring Angkor Wat at sunrise, tubing in Vang Vieng, or island-hopping in Phuket, being correctly vaccinated is your first step to a seamless multi-country experience with our expertly crafted Vietnam Tours, Cambodia Tours, Laos Tours, and Thailand Tours.

Quick Vaccination Summary (2025 Onward)

No country currently requires proof of COVID-19 vaccination for entry.

1. Routine Vaccines (Update Before Every Trip)

• Measles-Mumps-Rubella (MMR) – outbreaks still occur

• Diphtheria-Tetanus-Pertussis (DTaP) – booster every 10 years

• Polio – lifelong protection recommended

• Annual Influenza – especially during rainy season

2. Strongly Recommended for All Four Countries

• Hepatitis A – transmitted via food/water (2 doses or single high-dose)

• Typhoid – food/water-borne (oral or injectable)

• Hepatitis B – blood/body fluids, medical procedures (3 doses)

• Rabies – pre-exposure strongly advised for travelers spending time in rural areas, cycling, or volunteering (3 doses – significantly reduces post-bite treatment)

3. Situation-Specific Vaccines

• Japanese Encephalitis – recommended for stays >1 month in rural areas or during transmission season (May–October)

• Malaria prophylaxis – required in rural Laos, parts of Cambodia, and remote Vietnam; not needed in major cities or tourist circuits (Hanoi, HCMC, Siem Reap, Bangkok, Phuket)

4. Other Health Precautions

• Dengue, Zika, Chikungunya – mosquito-borne, day-biting: use DEET 30–50%, permethrin-treated clothing

• Traveler’s diarrhea – drink bottled/sealed water, eat freshly cooked food

• Tuberculosis – consider BCG if staying >3 months with locals

Respecting local customs keeps you safe and welcomed:

• Remove shoes before entering temples (Vietnam, Cambodia, Thailand)

• Cover shoulders and knees at sacred sites (all four countries)

• Use “sawasdee” (Thailand), “sabaidee” (Laos), “xin chào” (Vietnam), “sous-dey” (Cambodia) with a smile

• Always carry hand sanitizer and a small medical kit

Since 2008, we’ve perfected safe, immersive journeys across Vietnam, Cambodia, Laos, and Thailand. Every Vietnam Tour, Cambodia Tour, Laos Tour, and Thailand Tour includes:

• Private, air-conditioned vehicles with hospital-grade sanitation

• English-speaking guides trained in first aid

• 24/7 emergency support

• Flexible itineraries avoiding high-risk rural areas unless requested (with proper prophylaxis arranged)

• Only 10% deposit required – final payment 30 days before departure for complete peace of mind

1. Classic Indochina Discovery (14 Days) – Hanoi → Ha Long Bay → Luang Prabang → Siem Reap → Phnom Penh → Ho Chi Minh City

2. Best of Southeast Asia (21 Days) – Bangkok → Chiang Mai → Luang Prabang → Hanoi → Ha Long Bay → Hoi An → Siem Reap → Phuket

3. Hidden Gems & Culture (12 Days) – Vientiane → Vang Vieng → Luang Prabang → Pakse → Siem Reap

All itineraries are fully customizable and designed with health safety in mind.

• Vaccination certificate (digital + printed copy)

• Personal medical kit & prescriptions (enough for entire trip + 1 week extra)

• DEET 30–50% repellent & permethrin spray for clothes

• Reusable water bottle with filter

• Lightweight long-sleeve clothing for evenings

• Hand sanitizer & face masks (still appreciated in crowded markets)

• 10–14 day private tour: $1,180 – $2,480

• 15–21 day grand journey: $2,680 – $4,980

• Only 10% deposit to secure your spot – balance due 30 days before departure

• Visit a travel clinic 6–8 weeks before departure

• Keep digital copies of vaccination records on your phone

• Register with your embassy’s traveler program

• Purchase comprehensive travel insurance (we can assist)

• Do I need any mandatory vaccines? No mandatory vaccines for direct entry from most countries.

• Is Yellow Fever required? Only if arriving from an endemic country within 6 days.

• Do children need the same vaccines? Yes + ensure routine schedule is up to date.

• What if I’m only visiting cities? Hepatitis A, Typhoid, and Tetanus booster still strongly recommended.

Book your fully vaccinated, worry-free adventure today:

• Private or small-group Vietnam Tours, Cambodia Tours, Laos Tours, and Thailand Tours

• Expert local guides & 24/7 support

• Only 10% deposit – keep complete peace of mind

Contact us now at Legend Travel Group → https://www.legendtravelgroup.com
WhatsApp: +84 825 862 222