In general, the sanitary conditions are satisfactory and modern. The precautions to take are the same as in any subtropical country. In the North, for instance, there is always the risk of cholera and dengue. Remember that there are four seasons in Argentina, territories in the extreme south, and the effects of altitude. Argentina has the highest mountain in the Western hemisphere: Aconcagua, which is 6 959 meters high!
Personal insurance is strongly recommended covering medical, legal, travel, personal property, etc.
