All travellers. Hepatitis A is transmitted by food & water.
Hepatitis A vaccine: 2 doses, 1st dose at least 15 days before departure. OR
Human immunoglobulin: can be given just before departure; effective for 3-6 month
Hepatitis B
Those at risk of sexual or blood contacts.
Hepatitis B vaccine: 3 doses starting 6 months before departure.
Diphtheria
All persons who have not received a booster in the previous 10 yrs.
Adult diphtheria-tetanus vaccine (ADT)
Tetanus
Polio
Measles
All travellers who are unsure of their immunisation status
MMR
Mumps
Rubella
Malaria
Travellers staying OUTSIDE Bangkok & resorts such as Phuket, Chiangmai, Pattaya and Ko Samui group.
Short term: Less than 2 months - Mefloquine weekly or doxycycline 100mg daily
Long term: More than 2 months - Mefloquine weekly or - Chloroquine weekly + proguanil
Typhoid
Travellers in rural areas or backpackers.
Typhoid vaccine (injection or capsules): 4 weeks before departure.
Japanese B encephalitis
Long term travellers, (over 1 month) especially rural areas.
Japanese B encephalitis vaccine: 3 doses.
Special Notes: THAILAND
Malaria
P falciparum - resistant to chloroquine and pyrimethamine.
Throughout the year in rural, especially forested and hilly, areas.
NO RISK in cities and main tourist resorts (Bangkok, Chiangmai, Pattaya, Phuket, Songhkla, Ko Samui).
Mefloquine resistant strains reported near borders with Cambodia and Myanmar.
Other insect borne diseases
Filiariasis endemic in rural areas.
Outbreaks of dengue and dengue haemorrhagic fever occur.
Japanese B encephalitis occurs in rural areas.
Food and water borne diseases
Cholera, diarrhoea, amoebic and bacillary dysentery, typhoid fever, hepatitis A and E may occur.
Other
Rabies occurs seek vaccination if bitten.
HIV prevalent.
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