(VOVworld) - The Vietnam National Administration of Tourism issued a travel advisory for 24 countries affected by Zika virus.

The document was sent to all provincial Departments of Tourism, Departments of Culture, Sports and Tourism, the Vietnam Tourism Association and tourism agencies, aiming at enhancing Zika-virus preventive measures. The agency requested international tourism agencies to warn tourists, especially pregnant women, about risks when travelling to Zika virus-hit nations in Latin America. Vietnam has seen no cases so far.