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.
How to Break A Fever. When you have elevated body temperature that is higher than the normal temperature of 98.6 Fahrenheit, you have what is called a fever. Fevers can be caused by a variety of conditions, including bacterial or viral infection, sunburn and heat exhaustion. Most fevers can be treated at home.