The number of dengue fever cases reported in Vietnam has increased by 11.3 percent during the first six months of the year compared to the same period in 2016, according to the General Department of Preventive Medicine, Ministry of Health, Viet Nam.

An Aedes aegypti mosquito prepares to bite a human. Image/USDA
An Aedes aegypti mosquito prepares to bite a human.
Image/USDA

Through June 18, Vietnam has seen 45,074 cases of dengue reported, including thirteen deaths. This compares to 40,511 cases including 12 deaths reported during the same period in 2016.

Seven out of 10 cases have been reported from the south of the country.

In the past 50 years, the incidence of dengue worldwide has increased 30-fold, largely as a consequence of the growth of cities and increased travel.

Dengue fever is an infectious disease carried by mosquitoes and caused by any of four related dengue viruses. This disease used to be called “break-bone fever” because it sometimes causes severe joint and muscle pain that feels like bones are breaking.

People get the dengue virus from the bite of an infected Aedes mosquito. It is not contagious from person to person. For more infectious disease news and information, visit and “like” the Infectious Disease News Facebook page

There are three types of dengue fever in order of less severe to most: the typical uncomplicated dengue fever, dengue hemorrhagic fever (DHS) and dengue shock syndrome (DSS).

The World Health Organization (WHO) estimates there may be 50–100 million dengue infections worldwide every year. However, research from the University of Oxford and the Wellcome Trust, using cartographic approaches, estimate there to be 390 million dengue infections per year worldwide.

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