If the candidate does not pass the certification examination, he or she may register to re-take the certification examination online at a price of $395, a discount of $100 from the regular examination rate.
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.Health experts have known about dengue fever for more than 200 years.engue 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.
The presence (the dengue triad) of fever, rash, and headache (and other pains) is particularly characteristic. Better known as dengue, the disease is endemic throughout the tropics and subtropics in various parts of the world.It goes by other names including dandy fever.Victims of dengue often have contortions due to the intense joint and muscle pain.Hence, the name breakbone fever.. Slaves in the West Indies who contracted dengue were said to have dandy fever because of their postures and gait.t goes by other names including dandy fever. Victims of dengue often have contortions due to the intense joint and muscle pain. Hence, the name breakbone fever.. Slaves in the West Indies who contracted dengue were said to have dandy fever because of their postures and gait.