Regardless of the pharmacy situation in any country, it is always advisable to bring enough medication to last through your trip. Always remember to check the expiration dates on all medications, whether they are from home or abroad. Safety Information Travelers Diarrhea. Travelers diarrhea, the number one illness in travelers, can be caused by viruses, bacteria, or parasites, which can contaminate food or water. Make sure your food and drinking water are safe.
Malaria is a preventable infection that can be fatal if left untreated.
Prevent infection by taking prescription antimalarial drugs and protecting yourself against mosquito bites. A high risk for malaria exists all year in Papua New Guinea, the Solomon Islands, and Vanuatu. Travelers to these areas should take mefloquine for malaria prevention. A certificate of yellow fever vaccination may be required for entry into certain of these countries if you are coming from a tropical South American or sub-Saharan African country. Dengue, filariasis, and Ross River virus are diseases carried by insects that also occur in this region.