the type of risks faced by a visitor will depend on the type of tourism one will expect to do in rio.

business travelers who will spend their time in rio working, between office buildings and major hotels will face lower risks of travelers who will spend their time exploring rio's forests and hiking along semi-undiscovered trails.

the to most common ailment faced by travelers in rio are sun-burns, for which there is no vaccine but that is easily preventable with sun block, and travelers' diarrhea.

this type of diarrhea can be prevented by only drinking bottle water, even when the water is classified as potable - in fact, locals may be used to water that is not necessarily healthy for visitors.

severe symptoms such as bloody stools, chills, and high fevers require the immediate attention of a doctor as the diarrhea may not be water-related.