Sun, 09 Jun 2019 23:56:00 GMT Health Information for Travelers to Spain - Clinician view ... Advise travelers to exercise caution during outdoor activities. Important tips include dressing appropriately for the climate (such as loose, lightweight clothing in hot climates and warm layers in cold climates), staying hydrated, avoiding overexposure to the sun, and practicing safe swimming habits. Wed, 31 Jul 2019 16:57:00 GMT Mobile Apps | Travelers' Health | CDC mobile apps, can I eat this. TravWell. CDC’s TravWell app helps you plan for safe and healthy international travel. Build a trip to get destination-specific vaccine recommendations, a checklist of what you need to do to prepare for travel, and a customizable healthy travel packing list.