Hanoi, Aug. 28 -- Medical tourism is emerging as a high-value service sector, with many countries successfully building national brands and attracting large numbers of international visitors each year. Their experience offers useful lessons for Vietnam as demand for healthcare combined with medical treatment, rehabilitation, wellness and leisure continues to grow globally. Strong potential Health-related activities combined with tourism have existed in Vietnam for years, but modern medical tourism has developed mainly over the past decade alongside advances in healthcare and tourism. Reports estimate that around 300,000 international visitors use medical services in Vietnam annually, generating 1-2 billion USD in spending on treatment, ac...