Vaccinations are recommended for Polio, Tetanus and Hepatitis A & B. Also, the Typhus vaccination is recommended if you plan to venture outside of tourist areas, especially in the wet season.
Children should be protected against, Diphtheria, Whooping, Cough, Mumps, Measles and rubella.
Dengue fever is common on the island, especially during the rainy season when mosquitoes are in abundance as they transmit dengue. Use mosquito repellent whenever you are outdoors or visiting rural areas.