Routine vaccines
Make sure you're up to date on your standard childhood vaccines: measles, mumps, rubella, tetanus, polio.
Hepatitis A
Recommended for all travelers. Spread through contaminated food and water. One shot lasts a year, two shots last 20 years.
Typhoid
Recommended for travelers eating outside major hotels and resorts. One injection or oral capsules.
Rabies
Only recommended if you're spending lots of time around animals or in remote areas without medical access.
Yellow fever
NOT required for Mexico. Only required if you're arriving FROM a country with yellow fever transmission.