Dengue Fever

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Dengue Fever

  1. 1. A presentation byAhmad Tariq Bhatti Lahore
  2. 2. Dengue FeverDengue (pronounced as DENgee) fever is a painful, debilitatingmosquito-borne disease caused by any one of four closely related Dengue viruses.Each year, an estimated 100 million cases of Dengue fever occur worldwide. Dengue fever (also known as break-bone fever) spreading mosquito has challenged Punjab Government in the last 3 to 4 years. Government of Punjab has spent huge funds to fight against the killer mosquito.It has affected thousands of people all over Pakistan in last 3 to 4 years. Dengue - The Killer Mosquito 2
  3. 3. Aedes Aegypti: Dengue MosquitoThe Killer Mosquito – Dengue . (a close shot of the killer mosquito) Dengue - The Killer Mosquito 3
  4. 4. Kill Dengue, Kill Dengue!!! The mosquito can be recognized by white markings on legs and amarking in the form of a lyre on the thorax. The mosquito originated inAfrica but is now found in tropical and subtropical regions throughout the world. [Please refer to slide 3 for illustration of Dengue Mosquito] Dengue - The Killer Mosquito 4
  5. 5. Breeding Places Barrels, open sewerage holes, drums, jars, pots, buckets, flower vases, plant-pots, tanks, discarded bottles, tins, tyres, stagnant water, tree holes, palm fronds and a lot more places where rain water is stored. Keep your environment clean from mosquitoes.Important note: The mosquito that causes Dengue fever, bites during the day, particularly in the early morning and in the evening. Dengue - The Killer Mosquito 5
  6. 6. Transmission Dengue virus is primarily transmitted by Aedes mosquitoes, particularly Aedes Aegypti. Other Aedes species that transmit the disease include:  Aedes Albopictus,  Aedes Polynesiensis and  Aedes Scutellaris. Humans are the primary host of the virus, but it also circulates in non-human primates. An infection can be acquired via a single bite. A female mosquito that takes a blood meal from a person infected with Dengue fever becomes itself infected with the virus in the cells lining its gut.The virus is not contagious and cannot be spread directly from person to person. Dengue - The Killer Mosquito 6
  7. 7. ClassificationWorld Health Organization has classified Dengue fever into two groups in 2009:  Severe and  Uncomplicated.Severe Dengue is defined as the one that is associated with severe bleeding, severe organ dysfunction, or severe plasmaleakage while all other cases are classified as uncomplicated. Dengue - The Killer Mosquito 7
  8. 8. SymptomsDengue fever begins with a sudden high fever, often as high as 104 - 105 degrees Fahrenheit, within 4 to 7 days after the infection. A flat, red rash may appear over most of the body within 2 to 5 days after the fever starts. A second rash, which looks like the measles, appears later in the disease. Infected people may have increased skin sensitivity and are very uncomfortable.Other symptoms include: Fatigue Headache (especially behind the eyes) Joint aches Muscle aches Nausea Swollen lymph nodes Vomiting Dengue - The Killer Mosquito 8
  9. 9. Causes & Incidence Dengue fever is caused by one of four different but related viruses. It is spread by the bite of mosquitoes, most commonly the mosquito Aedes Aegypti.The virus has four different types and the infection with one type usually gives lifelong immunity to that type, but only short-term immunity to the others.Subsequent infection with a different type increases the risk of severe complications. Dengue - The Killer Mosquito 9
  10. 10. Manifestations of Dengue Virus Infection Dengue Virus Infection Without Symptoms With Symptoms Dengue Fever (DF) Dengue HemorrhageNo Different from Syndrome Fever (DHF) other fever Without With Unusual Dengue Shock No Shock SyndromeHemorrhage Hemorrhage Dengue - The Killer Mosquito 10
  11. 11. PreventionBecause Dengue fever is spread by a virus, there is no specific medicine or antibiotic to treat it. For a typical Dengue fever, the treatment is purely concerned with the relief of symptoms. Mind it, there is no vaccine available for the treatment of Dengue fever currently.Therefore, prevention is sought only by: Eliminating the breeding places of mosquitoes, Keeping the environment clean, Constant spraying insecticides at open places and Limiting exposure to bites by using mosquito nets, coils etc. It is also advisable to massage exposed body parts with asuitable insect repellent and wear long sleeve shirts and clothingwhich covers arms and legs. Dengue - The Killer Mosquito 11
  12. 12. Spread the Awareness About Dengue Mosquitoes Let your family, friendsand neighbors know about the dangers of breeding mosquitoes around you!!! Dengue - The Killer Mosquito 12
  13. 13. Treatment There is no specific medicine to treat Dengue infection. If you think you may have Dengue fever, you should use pain relievers with Acetaminophen and avoid medicines with Aspirin, which could worsen bleeding. You shouldalso take rest, drink plenty of fluids, and see yourdoctor regularly. If you start to feel worse in the first 24 hours after your fever goes down, you should rush to a hospital immediately to be checked for complications. http://www.webmd.com Dengue - The Killer Mosquito 13
  14. 14. Take good care of yourhealth and avoid contract with Dengue Fever. Good Health! Thank you! A presentation by Ahmad Tariq Bhatti Lahore Dengue - The Killer Mosquito 14

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