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Disease Control Department Reports 33 Dengue Fever Deaths in First Four Months of 2013



Thai Public Health Ministry report in mid-March that showed that 13,200 Thais were ill with dengue, including 16 deaths


CHIANG RAI – The number of dengue fever cases and fatalities have doubled since the middle of March, as the Thailand Disease Control Department (DDC) reports 26,000 cases and 33 deaths from January 1 to April 30 this year.

This is up from the Thai Public Health Ministry report  in mid-March that showed that 13,200 Thais were ill with dengue, including 16 deaths.

According to Disease Control Department Director-General Pornthep Siriwanarangsan, Northeast of Thailand has been the region with the fastest spreading of the deadly disease in the past 5 years, thanks to the inclement weather like global warming and off-season rain, the National News Bureau of Thailand reports.

Education about mosquito breeding sites and mosquito bite prevention have been a goal of the health ministry, particularly those in the Northeast provinces.

In February, Thai health officials said they feared there could be 100,000 cases of dengue reported in 2013

What is dengue fever?

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.

Dengue fever of multiple types is found in most countries of the tropics and subtropics particularly during and after rainy season. In the United States, dengue has been seen in Hawaii, Texas and Florida.

In the US, the Centers for Disease Control and Prevention (CDC) says 100-200 cases are reported annually, mostly in people that have traveled abroad.

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

In recent years there have been increased amounts of epidemics in many parts of the world.

There are four types of dengue virus: DEN-1, DEN-2, DEN-3 and DEN-4.

People get the dengue virus from the bite of an infected Aedes mosquito. It is not contagious from person to person.

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 symptoms of classic dengue usually start within a week after being infected. They include very high fever, up to 105°F, severe headache, pain behind the eye, severe joint and muscle pain, nausea and vomiting and a rash.

In cases of DHF and DSS, all four types can be the cause in descending order of frequency; type 2, 3, 4 and 1.

There is evidence that types 2 and 4 need to be secondary infection to cause DHF, while primary infection with types 1 and 3 can cause DHF.

Symptoms of DHF include all the symptoms of classic dengue plus severe damage to the blood vessels. Bleeding from the nose, gums or under the skin are common. This form of dengue can be fatal.

Symptoms of DSS include all of the above symptoms plus; fluid leaking outside of blood vessels, massive bleeding and shock. This form of the disease usually happens in children experiencing their second infection.

Two-third of all fatalities occurs among children.

Diagnosis of the disease is often through typical signs and symptoms. Lab tests can be useful. Detection of the virus in acute phase serum within 5 days of onset or specific antibodies in convalescent serum obtained 6 days after onset of illness.

There is no treatment for dengue, just treat the symptoms. Persons who think they have dengue should use analgesics (pain relievers) with acetaminophen and avoid those containing aspirin. They should also rest, drink plenty of fluids, and consult a physician.

There is not a vaccine for dengue fever. The CDC recommends the following preventive measures:

The best preventive measure for residents living in areas infested with Aedes mosquito is to eliminate the places where the mosquito lays her eggs, primarily artificial containers that hold water.

For travelers to areas with dengue, as well as people living in areas with dengue, the risk of being bitten by mosquitoes indoors is reduced by utilization of air conditioning or windows and doors that are screened.

Proper application of mosquito repellents containing 20% to 30% DEET as the active ingredient on exposed skin and clothing decreases the risk of being bitten by mosquitoes.

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