In a follow-up on the dengue outbreak in Vietnam, data released by the General Department of Preventative Medicine of the Ministry of Health is showing a downward trend after a large spike earlier this year.

Aedes albopictus/FotoshopTofs
Aedes albopictus/FotoshopTofs

As of Oct. 5, there were 143,254 cases of dengue reported in Viet Nam including 30 deaths.

Week to week (38 to 39), health officials have seen a 25.9% reduction in cases.

In Hanoi alone this year, 32,000 dengue cases and 7 deaths have been reported.

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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