For travelers from Europe or north America there is no obligation for any vaccine, but for those who wish to remain a long time on the island, it is recommended to be vaccinated against hepatitis A and B and typhoid . Also it is better to be up to date in your vaccines, in particular the dt-polio.

For people who are sensitive to mosquito's, it is better to anticipate an anti mosquito's of the tropical type (ask in your pharmacy). The risks of paludism are less in Dominican Republic. Only close to the Haitian border, there can be "some" risks of paludism.

For those who want to live permanently in the Dominican Republic, come and post your questions in our forum, we will try to help you.

Also, you need to inform yourself before your departure about Repartition Insurance.
Some credit card contracts include this insurance, to know more about this insurance inform yourself at your bank.
It is strictly disadvised to drink the tab water all around the country, but it is easy to find mineral drinking water in bottles or gallons as any other drinks.
Watch out for the airconditioning in the supermarkets or in the buses which are mostly running on high, also watch the air fans, to have a cold during your vacation isn't very nice.