Every year approximately 50,000 adults die of vaccine-preventable diseases, and your risk increases when traveling to developing countries, says Phyllis Kozarsky, MD, a travel health consultant for the Centers for Disease Control and Prevention. A travel health clinic—find one at Istm.org—can inoculate you based on your destination and itinerary. (Get vaccinated four to six weeks before your departure.) Below, a glance at the CDC's recommendations.