Chikungunya: Difference between revisions
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* Aedes mosquito transmitted virus, originally found in West Africa but cases in the Americas beginning in 2013 | * Aedes mosquito transmitted virus, originally found in West Africa but cases in the Americas beginning in 2013 | ||
*Frequently difficult clinically to differentiate from [[dengue]] fever | *Frequently difficult clinically to differentiate from [[dengue]] fever | ||
===Geographic Distribution=== | |||
Countries and territories where chikungunya cases have been reported (as of 10/2014): | |||
*AFRICA | |||
**Benin | |||
**Burundi | |||
**Cameroon | |||
**Central African Republic | |||
**Comoros | |||
**Democratic Republic of the Congo | |||
**Equatorial Guinea | |||
**Gabon | |||
**Guinea | |||
**Kenya | |||
**Madagascar | |||
**Malawi | |||
**Mauritius | |||
**Mayotte | |||
**Nigeria | |||
**Republic of Congo | |||
**Reunion | |||
**Senegal | |||
**Seychelles | |||
**Sierra Leone | |||
**South Africa | |||
**Sudan | |||
**Tanzania | |||
**Uganda | |||
**Zimbabwe | |||
*EUROPE | |||
**Italy | |||
**France | |||
*OCEANIA/PACIFIC ISLANDS | |||
**American Samoa | |||
**Federal States of Micronesia | |||
**New Caledonia | |||
**Papua New Guinea | |||
**Tonga | |||
*ASIA | |||
**Bangladesh | |||
**Bhutan | |||
**Cambodia | |||
**China | |||
**India | |||
**Indonesia | |||
**Laos | |||
**Malaysia | |||
**Maldives | |||
**Myanmar (Burma) | |||
**Pakistan | |||
**Philippines | |||
**Saudi Arabia | |||
**Singapore | |||
**Sri Lanka | |||
**Taiwan | |||
**Thailand | |||
**Timor | |||
**Vietnam | |||
**Yemen | |||
*AMERICAS | |||
**Anguilla | |||
**Antigua and Barbuda | |||
**Aruba | |||
**Bahamas | |||
**Barbados | |||
**Brazil | |||
**British Virgin Islands | |||
**Cayman Islands | |||
**Colombia | |||
**Costa Rica | |||
**Curacao | |||
**Dominica | |||
**Dominican Republic | |||
**El Salvador | |||
**French Guiana | |||
**Grenada | |||
**Guadeloupe | |||
**Guatemala | |||
**Guyana | |||
**Haiti | |||
**Jamaica | |||
**Martinique | |||
**Montserrat | |||
**Nicaragua | |||
**Panama | |||
**Puerto Rico | |||
**Saint Barthelemy | |||
**Saint Kitts and Nevis | |||
**Saint Martin | |||
**Sint Maarten | |||
**Saint Lucia | |||
**Saint Vincent and the Grenadines | |||
**Suriname | |||
**Trinidad and Tobago | |||
**Turks and Caicos Islands | |||
**United States | |||
**US Virgin Islands | |||
**Venezuela | |||
==Clinical Features== | ==Clinical Features== | ||
Revision as of 12:25, 31 October 2014
Background
- Aedes mosquito transmitted virus, originally found in West Africa but cases in the Americas beginning in 2013
- Frequently difficult clinically to differentiate from dengue fever
Geographic Distribution
Countries and territories where chikungunya cases have been reported (as of 10/2014):
- AFRICA
- Benin
- Burundi
- Cameroon
- Central African Republic
- Comoros
- Democratic Republic of the Congo
- Equatorial Guinea
- Gabon
- Guinea
- Kenya
- Madagascar
- Malawi
- Mauritius
- Mayotte
- Nigeria
- Republic of Congo
- Reunion
- Senegal
- Seychelles
- Sierra Leone
- South Africa
- Sudan
- Tanzania
- Uganda
- Zimbabwe
- EUROPE
- Italy
- France
- OCEANIA/PACIFIC ISLANDS
- American Samoa
- Federal States of Micronesia
- New Caledonia
- Papua New Guinea
- Tonga
- ASIA
- Bangladesh
- Bhutan
- Cambodia
- China
- India
- Indonesia
- Laos
- Malaysia
- Maldives
- Myanmar (Burma)
- Pakistan
- Philippines
- Saudi Arabia
- Singapore
- Sri Lanka
- Taiwan
- Thailand
- Timor
- Vietnam
- Yemen
- AMERICAS
- Anguilla
- Antigua and Barbuda
- Aruba
- Bahamas
- Barbados
- Brazil
- British Virgin Islands
- Cayman Islands
- Colombia
- Costa Rica
- Curacao
- Dominica
- Dominican Republic
- El Salvador
- French Guiana
- Grenada
- Guadeloupe
- Guatemala
- Guyana
- Haiti
- Jamaica
- Martinique
- Montserrat
- Nicaragua
- Panama
- Puerto Rico
- Saint Barthelemy
- Saint Kitts and Nevis
- Saint Martin
- Sint Maarten
- Saint Lucia
- Saint Vincent and the Grenadines
- Suriname
- Trinidad and Tobago
- Turks and Caicos Islands
- United States
- US Virgin Islands
- Venezuela
Clinical Features
Acute
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- Fever typically greater than 39deg
- Polyarthralgias, bilateral and symmetrical
- Rash- maculopapular
- Myalgias
- Nausea and vomiting
- Lymphocytopenia
- Elevated LFTs
- AKI
- 3-7d incubation period
Chronic
- May cause long-term symptoms, with long-term musculoskeletal pain from months to years post infection[1]
Differential Diagnosis
Fever in traveler
- Normal causes of acute fever!
- Malaria
- Dengue
- Leptospirosis
- Typhoid fever
- Typhus
- Viral hemorrhagic fevers
- Chikungunya
- Yellow fever
- Rift valley fever
- Q fever
- Amebiasis
- Zika virus
- Papules
- Insect bites
- Scabies
- Seabather's eruption
- Cercarial dermatitis (Swimmer's Itch)
- Macular
- Sub Q Swelling and Nodules
- Ulcers
- Tropical pyoderma
- Leishmaniasis
- Mycobacterium marinum
- Buruli ulcer
- Dracunculiasis (Guinea Worm disease)
- Linear and Migratory Lesions
- Cutaneous larvae migrans
- Photodermatitis
See also domestic U.S. ectoparasites
Workup
- CBC w diff, Cr, LFTs
- contact CDC for specialized testing; recommends tiger top tube
Management
Symptomatic treatment: acute symptoms usually resolve in 7-10d
Disposition
- Normally able to be treated as outpatient, unless complication
See Also
External Links
Sources
CDC
- ↑ Gérardin et al. "Predictors of Chikungunya rheumatism: a prognostic survey ancillary to the TELECHIK cohort study." Arthritis research & therapy. Jan 9, 2013. 15(1). pmid=23302155. doi=10.1186/ar4137