The threat of influenza A (H1N1) will increase this summer with more expatriate students returning to Vietnam and more foreign tourists arriving, a health official said as seven more cases were confirmed in the country.

Importers and distributors of foreign milk products are selling them at up to 2.5 times their cost price, partly to cover advertisement and promotion expenses, Ho Chi Minh City inspectors say.

As many as 920 people in the central province of Phu Yen have contracted dengue fever so far this year, a whopping 550 percent increase year-on-year, and two have died.