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Following confirmation of the first cases of autochthonous transmission of Chikungunya virus in St. Martin in December 2013, additional cases have been reported in other countries/territories in the Caribbean Region. To date, cases of Chikungunya have been confirmed in Anguilla, Antigua and Barbuda, Aruba, British Virgin Islands, Dominica, Dominican Republic, French Guiana, Guadeloupe, Guyana, Haiti, Martinique, Puerto Rico, St. Barthelemy, St. Kitts and Nevis, St. Lucia, Sint Maarten, St. Martin and St. Vincent and the Grenadines. The total number of confirmed/probable cases has reached 5,252.

Countries/Territories with reported cases of Chikungunya (cumulative cases):

 

 

Country/Territory Week* Week* Week* 50
Anguilla 13 33 N/A 0
Anguilla 20 4 N/A 0
Aruba 6 1 N/A 0
British Virgin Islands 19 20 N/A 0
Dominica 20 122 1,817 0
Dominican Republic** 21 17 38,639 1
French Guiana 21 222 N/A 0
Guadeloupe 21 1,328 23,100 1
Guyana 22 2 N/A 0
Haiti 20 632 N/A 0
Martinique 21 1,515 29,200 9##
Puerto Rico 22 1 N/A 0
St. Barthelemy 21 135 520 0
St. Kitts and Nevis 21 22 N/A 0
St. Lucia 19 5 N/A 0
Sint Maarten*** 18 353 N/A 0
St. Martin 21 793 3,320 3##
St. Vincent and the Grenadines 19 57 110 0

Key: N/A – data not available
*Epidemiological week for which information is available
**As published by DIGEPI http://digepisisalud.gob.do/boletines/boletines-semanales/doc_download/356-.html
***As published by the Chikungunya surveillance overview Dutch Caribbean Islands 1 Oct 2013 – 29 April 2014 (Week 18)
##Includes two deaths indirectly related to Chikungunya and seven deaths whose relation with Chikungunya fever is being determined
### Includes one death indirectly related to Chikungunya due to co-morbidities and one death whose relation with Chikungunya fever could not be established (EW 09 2014)
Case definitions:
Suspected Case: A patient with acute onset of fever > 38.5⁰C and severe arthralgia or arthritis not explained by other medical conditions, and who resides or has visited epidemic or endemic areas within 2 weeks prior to the onset of symptoms.
Probable Case: A suspected case with a positive result for Chikungunya by IgM ELISA.
Confirmed Case: A suspected case with a positive result for Chikungunya by viral isolation, RT-PCR or 4-fold increase in Chikungunya virus specific antibody titres (samples collected at least 2 to 3 weeks apart)