No vaccination is currently required for entry into Bhutan.
However if you are arriving from an area infected with yellow fever, you are
required to have a yellow fever vaccination
If you are arriving from Cholera infected area then
officials may ask for evidence of Cholera vaccination. Anti-malarial medication
is recommended for all travelers to Bhutan who is visiting rural areas in the
districts that border India
It is suggested that you assemble a traveler's medical kit
appropriate to destination, length of trip and general health. On a tour in
Bhutan, there are long drives, and roads are winding so medication for motion
sickness is strongly suggested. You should also pack an adequate supply of any
prescribed medications you may require while traveling
Travelers who plan to visit Bhutan should consult a
physician about high-altitude travel. After a brief period of acclimatization,
most people do not suffer from altitude sickness; but elderly travelers or
those with high blood pressure or heart conditions need to exercise caution at
high altitudes