Despite a difficult situation, the age of life expectancy has continued to rise well into the mid-seventies, and infant mortality is as low as in most highly developed countries. Travelers to Cuba require no particular immunizations, and usually the worse one can expect is a rare brief diarrhea from change of environment, food and water. Drinking bottled water is advised and it is readily available. However, expert care is available for any contingency. All hotels have medical staff on hand, and hospital care is usually not far away. Should the need arise for medical evacuation of a visitor, Cuban authorities can make timely arrangements for transfers and flights. TravelCubaCaribbean.com offers a wide range of local medical services designed for foreigners and used by Cubans as well. Spas and medicinal baths are also available.Visitors can also receive certain treatments without charge; however, it is recommended that travelers purchase a medical insurance policy since they must pay for most of the medical services they received. There are several international institutions, clinics and pharmacies opened to foreign residents and tourists.