Cause, Dengue Fever, NIAID, NIH Cause. Dengue fever can be caused by any one of four types of dengue virus: DEN-1, DEN-2, DEN-3, and DEN-4. You can be infected by at least two if not all four types at different ... Fever: cause, symptoms, how to prevent, how to treat, complicationsFever: cause, symptoms, how to prevent, how to treat, complications ... What is a Fever? A fever is defined as a temperature 1° or more above the normal 98.6 degrees Fahrenheit ... Causes of Fever - Illnesses That Cause FeverIf you have a fever and don't know why, find out some common illnesses that cause fever. Finding out what could be causing the fever will help you decide what to do about it. Fever - Symptoms, Causes, Tests - NY Times Health Information Free reference information from The NY Times on symptoms and their causes, home care, the doctor visit, exams and tests, as well as links to related news and features. What Causes Fever Blisters & Cold Sores?See the Colgate online article about cold sores and fever blisters to learn what causes fever blisters as well as cold sores and other types of viruses. Find diagnosis, prevention ... |