* Hepatitis A vaccine
* Typhoid vaccine
* Yellow fever vaccine (if traveling to certain areas)
* Rabies vaccine (if traveling to rural areas)
* Diphtheria-tetanus-pertussis (DTP) vaccine
* Measles-mumps-rubella (MMR) vaccine
* Varicella vaccine (chickenpox vaccine)
* Polio vaccine
It is also recommended that travelers take precautions against mosquito bites, as there is a risk of contracting malaria, dengue, and other mosquito-borne diseases in Cancun. These precautions include:
* Wearing long-sleeved shirts and pants
* Using insect repellent
* Sleeping under a mosquito net
* Avoiding areas with standing water
Travelers should also drink only bottled water and avoid eating raw or undercooked food.