For those planning to travel this summer, travelers are advised to take optimum precaution about health safety. Particularly those who are going to tropical and sub-tropical places/countries where Dengue fever is widely prevalent. Dengue is a serious disease that can be contracted through mosquito virus that breeds even in rain barrels. There are different rain barrels that you can find. Reported deaths associated with dengue is increasing year after year. Thus, for traveling tourists, it is imperative to exercise preventive maintenance such as the use of insect repellant to keep mosquito bites, and to keep body immunity always at increased levels.