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Brand champions workshop August 27, 2004

About Dengue. Brand champions workshop August 27, 2004. 15 September 2005. Source: Raffles Medical Group. What is Dengue?

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Brand champions workshop August 27, 2004

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  1. About Dengue Brand champions workshopAugust 27, 2004 15 September 2005 Source: Raffles Medical Group

  2. What is Dengue? • Dengue is an acute febrile viral disease characterized by sudden onset, fever of 3-5 days, intense headache, myalgia, anthralgic retro-orbital pain, anorexia, GI disturbances and rash. • Dengue viruses are flaviviruses and include four serotypes 1,2,3 and 4 (Dengue -1,-2,-3 and -4). • The viruses are transmitted to man by the bite of infective mosquitoes, mainly Aedes aegypti. The incubation period is 4-7 days (range 3-14 days).

  3. The pest responsible for it • The Aedes Aegypti mosquito • A medium sized blackish mosquito easily recognized by a silvery white ‘lyre shaped’ pattern of scales on its scutum. Segments 1 to 4 of the hind tarsi possess broad basal white rings, segment 5 is white. The coloration of both sexes is similar. • The female mosquito lays 30–150 eggs every 2-3 day. Human blood is needed to nourish these eggs.

  4. Aedes Aegypti breeding habits • The eggs are deposited on damp surfaces within artificial containers such as cans, jars, urns or rain-water containers. • Old automobile tires provide an excellent larval habitat and an adult resting site. • In tropical climates, larvae are also encountered in natural water retaining cavities in tree holes and herbaceous plants.

  5. Aedes Aegypti breeding habits • The eggs of Ae. Aegypti can resist desiccation for up to 1 year. • Eggs hatch when flooded by water that is deoxygenated. • Larvae die at temperatures below 10 degrees and above 44 degrees Celsius.

  6. Aedes Aegypti feeding habits • The yellow fever mosquito is a domestic species found not far from human dwellings. • This species is particularly abundant in towns and cities. • It is an early morning or afternoon feeder, but females will take a blood meal at night under artificial illumination. • Human blood is preferred over other animals with the ankle area as a favored feeding site.

  7. Aedes Aegypti feeding habits • Adults frequently reside in dwellings in darkly lighted closets, cabinets, or cupboards. • Ae. Aegypti is reported to fly only a few hundred yards from breeding sites.

  8. Dengue Fever Statistics • “Over 7000 dengue fever cases have been reported to date this year. With over 400 cases in just past week. For January to August 2004, there were only 4000 reported cases”

  9. Local Situation • Over 7000 reported cases this year to date • Over 400 reported cases in the past week • 1st 8 months of 2004, only 4000 reported cases • Warmer weather facilitated increased incidence in infections

  10. Local Situation • Aedes mosquito (carrier/vector) and the dengue virus thrive in warmer weather • Female Aedes mosquito matures faster • Aedes mosquitoes are identified by the black and white stripes on their body

  11. How It Spreads • Transmitted to humans by the bite of infected Aedes mosquitoes • Mosquitoes are infected when they take a blood meal from a dengue-infected person • Cannot spread from human to human • Spreads only through the bite of an infected mosquito

  12. How Fast Does It Happen • Incubation period (time between the bite & symptoms appearing) ranges from between 3 and 14 days • Dengue haemorrhagic fever is a more severe form of dengue and can be fatal if unrecognized or not treated

  13. The Symptoms • Fever (which lasts up to 7 days) • Accompanied by headache, body aches, joint pains, loss of appetite, nausea, vomiting and the development of skin rashes • Blood test will often show low platelets

  14. The Symptoms • Dengue Haemorrhagic Fever presents similar symptoms to Dengue Fever • But has more severe bleeding problems like gum bleeding, nose bleeding and bleeding into the skin and internal organs

  15. Diagnosis • In the presence of suggestive symptoms, Dengue Fever can be diagnosed with blood tests • If you are worried/suspect that you are having Dengue Fever, consult your Family GP immediately • Take special precaution if you work or live in the ‘hot spots’

  16. Can I Be Cured? • There is no specific treatment for Dengue or Dengue Haemorrhagic Fever • Antibiotics cannot treat Dengue Fever • Dengue patients need supportive care with fluids, medications and regular blood tests to monitor for complications

  17. Can I Be Cured? • Dengue infection can become dangerous since it may cause damage to the blood vessels. • In severe cases, hospitalization, intravenous fluids and transfusions will be required • Death may occur in a small minority of persons especially if the complications are not recognized or early intervention instituted

  18. Can a person get dengue more than once? • It is possible to get dengue more than once. • Dengue can occur because of 4 different but related strains of dengue virus. • If a person has suffered form one virus, there can be a repeat occurrence of dengue if a different strain is involved subsequently. Being affected by one strain offers no protection against the others.

  19. Can people suffer from Dengue and not appear ill? • Yes. There are many people who are infected with the virus and do not suffer from any signs or symptoms of the disease. • For every patient with symptoms and signs there may be 4-5 persons with no symptoms or with very mild symptoms.

  20. How long does it take to recover from Dengue? • Most people who suffer from dengue fever recover in 1-2 weeks time. • Some may feel tired for several weeks. However, if symptoms persist after this period, consult a doctor.

  21. Precautions • Wear long-sleeve clothes • Use mosquito coils, electric vapour mats and insect repellent over the exposed parts of the body • Frequent changing of water in flower vases and plant pot plates. Scrub the vase and plate thoroughly to remove mosquito eggs which look like very fine black specks of dust

  22. Precautions • Turn pails and watering cans over and store them under shelter • Place/store all articles that can collect rainwater under shelter at all times • Refrain from block the flow of water in scupper drains along common corridors in HDB estates

  23. Precautions • Don’t place potted plants and other paraphernalia over the drains • Clear blockages and silt from the roof gutter, clearing leaves and stagnant water from drains • Containers used for weeding, watering cans, pots and other items should be kept overturned, dry and properly stored

  24. Precautions • While away.. • Seal off all gully and floor traps • Add sand granular insecticide to stagnant water in plant bowls • Cover toilet bowls properly

  25. What is sand granular? • = Vactor 1 SG • A ready-to-use larvicide • Kills larvae before they can turn into Aedes mosquitoes • Sand granules incorporated with temephos • Slowly releases when applied into water

  26. How to use Vactor 1 SG • Use as spot treatment • Simply drop some into the water • For wet land area, lake, pond, water containers, water tanks, water jars, empty tyres, drainage and other mosquito breeding grounds

  27. Where to get Vactor 1 SG • Available in many NTUC outlets • Sembawang MRT station • Simei Street 3 • HDB Centre (Jln Bt Merah) • Bukit Merah Central • Bedok North Street 1 • Bishan Street 13 • Hougang Mall • Hougang Point

  28. Where to get Vactor 1 SG • Available in many NTUC outlets • Junction 8 shopping centre • Blk 71 Kallang Bahru • Rivervale Mall • Sun Plaza • Tampines Mall • Lorong 6 Toa Payoh • Thomson Plaza • Boon Lay Shopping Complex

  29. Where to get Vactor 1 SG • Available in many NTUC outlets • Clementi Avenue 3 • Hougang Street 21 • Jurong East Street 13 • Jurong Point • Blk 849 Yishun Ring Road • Lot 1 Shoppers’ Mall • Singapore Post Centre (Eunos) • Blk 34A Margaret Drive

  30. Where to get Vactor 1 SG • Available in many NTUC outlets • Shaw Plaza • Toa Payoh Lorong 4 • Whitesands • Blk 50 Havelock Road • Block 1 Rochor Road • 9 Portchester Avenue • Blk 888 Woodlands Drive 50 • Blk 63/66 Yung Kwang Road

  31. Where to get Vactor 1 SG • Available in many NTUC outlets • Yew Tee MRT station • Also available in Far East Floral • Hougang Floral Centre • Queenstown • Thomson Road • Ang Mo Kio Floral & Landscape • Bedok Garden & Landscape

  32. Where to get Vactor 1 SG • Pioneer Landscape (Choa Chu Kang – Jalan Lekar) • Nyee Phoe Flower Garden (Neo Tiew Crescent) • Goodwood Florist – Thomson Road • Island Landscape – Thomson Road

  33. Kill Larvae.. Before it becomes the Aedes Mosquito Brand champions workshopAugust 27, 2004 Better to be safe than sorry Source: Raffles Medical Group

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