Health, safety, accident avoidance and security are your responsibility and should be considered both before and during travel.
Standards of hygiene may be different. Food and water may be contaminated.
The climate or environmental conditions may favour disease organisms which do not occur in your own country.
For your individual situation, you should consult a physician or travel medicine clinic for advice related to where you are travelling.
Consult a health care provider or visit a travel health clinic preferably eight weeks before you travel.