(breakbone fever, dengue hemorrhagic fever)
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Dengue is a disease caused by an arbovirus virus, spread
by the bite of an infected Aedes aegypti and A. albopictus
mosquito. The disease is common in most tropical and subtropical areas
including the Caribbean, Mexico, South and Central America, Pacific,
Asia, and parts of tropical Africa. Dengue rarely occurs in the United
States and reported cases are usually associated with travel to a
high-risk area. However, sporadic outbreaks of Dengue have been
documented in Florida, Guam, Hawaii, and Puerto Rico. During 2002 to
2008, about 32 Wisconsin residents reported travel-associated Dengue
illnesses. Illness ranges from 3 to 14 days after a bite of an infected
mosquito. Symptoms of illness can be mild to severe, including fever,
severe frontal headache, pain behind the eyes, arthalgia, myalgia,
maculopapular rash, mild bleeding, hemorrhagic fever that can result in
circulatory instability, shock, and death
fever fact sheet -
Dengue fact sheet - Centers for Disease Control and Prevention (CDC)
Educational Resources - CDC
Publications List - CDC
fever international travel fact sheet - CDC
illness among Wisconsin residents 2002-2008 (WI Medical Journal, 2009)
Data and Statistics
Some tips to protect yourself:
- Use effective mosquito repellant and apply according to the label
- Wear long-sleeved shirts, long pants, socks, and shoes.
- Mosquitoes may bite through thin clothing, so spraying clothes
with a repellent containing permethrin or DEET will give extra
protection. These repellants are the most effective and most studied.
- Avoid being outside during times of high mosquito activity,
specifically around dawn and dusk.
- Keep window screens repaired so that mosquitoes cannot enter your
- Dispose of discarded tires, cans, or plastic containers left
outside that may contain standing water.
- Drain standing water from pool or hot tub covers.
- Turn over plastic wading pools and wheel barrows when not in use.
- Change the water in bird baths, pet dishes and wading pools every
- Keep drains, ditches and culverts clean of trash and weeds so
water will drain properly.
- Clean gutters to ensure they drain
For more information,
Using Insect Repellants Safely - CDC
Information for health professionals
This is a Wisconsin Disease Surveillance Category II disease:
the patient's local public health department electronically, through the Wisconsin
Electronic Disease Surveillance System
(WEDSS), by mail or fax using an Acute and Communicable Disease Case
Report F-44151 or by other means within 72 hours
upon recognition of a case.
Information on Communicable Disease Reporting
Wisconsin case reporting and public health follow-up
case report form
2014 Arbovirus management protocol
Dengue laboratory guidance
Local Health Departments - Regional offices - Tribal agencies
Diep Hoang Johnson
Vectorborne Disease Epidemiologist
Wisconsin Division of Public Health
Bureau of Communicable Diseases and Emergency Response
(Phone 608-267-0249) (Fax 608-261-4976)
March 25, 2014