General Health Risks: Dengue

Malaysia has confirmed Dengue cases nationally. Recent cases have been reported in Negri Sembilan and Perak state.

Dengue occurs nationally in Malaysia, with increased risk in urban and periurban areas. Peak transmission occurs in the late monsoon season (October through February in east peninsular Malaysia, Sabah, and Sarawak; July through August in west peninsular Malaysia).

Description

 

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Dengue is a viral infection caused by four types of viruses (DENV-1, DENV-2, DENV-3, DENV-4) belonging to the Flavivirdae family. The viruses are transmitted through the bite of infected Aedes aegypti and Aedes albopictus female mosquitoes that feed both indoors and outdoors during the daytime (from dawn to dusk). These mosquitoes thrive in areas with standing water, including puddles, water tanks, containers and old tires. Lack of reliable sanitation and regular garbage collection also contribute to the spread of the mosquitoes.

Risk

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Risk of Dengue exists in tropical and subtropical areas of Central America, South America, Africa, Asia, and Oceania. All travellers are at risk during outbreaks. Long-term travellers and humanitarian workers going to areas where Dengue is endemic are at higher risk. Dengue occurs in urban and suburban settings with higher transmission rates happening during the rainy season.

 

 

Symptoms

 

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In some cases, Dengue infection is asymptomatic – persons do not exhibit symptoms. Those with symptoms get ill between 4 to 7 days after the bite. The infection is characterized by flu-like symptoms which include a sudden high fever coming in separate waves, pain behind the eyes, muscle, joint, and bone pain, severe headache, and a skin rash with red spots. Treatment includes supportive care of symptoms. There is no antiviral treatment available.

The illness may progress to Dengue Hemorrhagic Fever (DHF). Symptoms include severe abdominal pain, vomiting, diarrhea, convulsions, bruising, and uncontrolled bleeding. High fever can last from 2 to 7 days. Complications can lead to circulatory system failure and shock, and can be fatal (also known as Dengue Shock Syndrome).  http://mbox-qm.com

If you are infected with the same Dengue virus serotype you become immune to future infections. However, if you are infected subsequently with a different serotype, immunity wanes over time which increases the risk of developing Dengue Hemorrhagic Fever.

Dengue is related to Zika Virus, Yellow Fever, West Nile Virus, and Japanese Encephalitis. It can be misdiagnosed for Chikungunya, Zika Virus, or Yellow Fever.

Prevention

  • Travellers should take meticulous measures to prevent mosquito bites during the daytime.
  • Use a repellent containing 20%-30% DEET or 20% Picaridin on exposed skin. Re-apply according to manufacturer’s directions.
  • Wear neutral-coloured (beige, light grey) clothing. If possible, wear long-sleeved, breathable garments.
  • If available, pre-soak or spray outer layer clothing and gear with permethrin.
  • Get rid of water containers around dwellings and ensure that door and window screens work properly.
  • Apply sunscreen first followed by the repellent (preferably 20 minuetslater).
  • QM electric mosquito killer

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One good way to help shoo mosquitoes off your deck or patio is to use a mosquito trap. Mosquitoes may be great horrible, but they are small weak fliers. The brand new mosquito trap – QM is the best electric mosquito killer. It provides an absolutely safety way with NO noise, NO smell, No debris, NO pollution and NO chemicals in preventing mosquito from indoor or outdoor environment. Get more information from . It has indoor mosquito trap and also outdoor mosquito trap can fit to any environment, it is the best mosquito catcher.

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1 Response

  1. April 27, 2017

    […] Mosquitoes carry serious diseases such as malaria, dengue, and yellow fever. These diseases spread quickly from one person to the next. Mosquitoes breed in water that does not move (stagnant water), sometimes called “standing water.” […]

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