Foreign tourists should carry their Yellow Fever Vaccination Certificate conforming to International Health Regulation, if they originate or are transiting through Yellow Fever endemic countries.
 

Health risks
Cholera, dengue fever, dysentery, hepatitis, malaria, meningitis (trekking areas only) and typhoid. Travellers with respiratory ailments may wish to take precautionary measures.
 

Health Certificate
Citizens and travellers coming from the United States, Canada, or the United Kingdom, do not require any vaccination certificate or inoculations. Though normally an International Health Certificate is not asked for by immigration officials, its better to carry one. It contains valuable information incase one needs medical attention.
 

Vaccinations
As a precautionary measure vaccination against Hepatitis B is recommended, if staying for a longer duration. To avoid Malaria, Dengue, carrying mosquito repellents, nets, clothes covering the body and using sprays against insects in rooms is sufficient. A first aid kit carrying adhesive bandages, thermometer, water-purification tablets, antibiotics, antiseptic creams and mosquito repellents is advisable. Drinking only mineral or boiled water curbs down the chances of stomach ailments, thus whenever going out carrying a bottle always comes handy. This will also keep dehydration at bay. If in doubt, one can take a salt-sugar solution 1/2 tsp. salt and 4 tbsp. in one litre of water to rehydrate.

 

At Eating Joints
Though sticking to a vegetarian diet is recommended, eating only thoroughly cooked meat is advisable.