Chikungunya worldwide overview

Situation update, 18 October 2019

The virus is largely spread in the Americas region, with several countries reporting cases in 2019. Chikungunya virus disease cases have also been reported in Asia and Africa during this period. See below detailed information on the Chikungunya virus transmission in the Americas and the Caribbean, Asia, Africa.

Since the previous update on 20 September 2019, Ethiopia, Brazil and Thailand have reported the majority of new cases. 

No autochthonous cases of Chikungunya virus were detected in continental EU/EEA countries in 2019.

Countries with most cases
Ethiopia, Brazil and Thailand
Travel-related cases
in the EU/EEA are expected, linked to travellers returning from affected areas
No locally acquired cases in the EU/EEA
have been reported in 2019 so far

Geographical distribution of chikungunya cases reported worldwide, August to October 2019

Map - Chikungunya cases reported worldwide, as of 15 October 2019
Chikungunya cases reported worldwide, as of 15 October 2019

Detailed overview

Europe

No autochthonous cases of Chikungunya virus were detected in continental EU/EEA countries in 2019.

Americas and the Caribbean

Argentina: In 2019, as of 17 August, eight confirmed cases were reported in Argentina. During the same period in 2018, no cases were reported.

Bolivia: In 2019, as of 1 October, Bolivia reported 64 cases compared with 83 cases reported for the same period in 2018. This represents an increase of 10 additional cases since the previous CDTR report.

Brazil: In 2019, as of 22 September, Brazil reported 119 176 probable cases, including 72 confirmed deaths. This represents an increase of 8 549 cases and 15 deaths since the previous CDTR update.

Colombia: In 2019 and as of 6 October, Colombia has reported 441 cases, 43 of which are laboratory confirmed. This represents an increase of 20 cases since the last CDTR report. During the same period in 2018, 546 cases were reported.

Costa Rica: In 2019, as of 15 September, Costa Rica has reported 99 cases. This represents an increase of 35 cases since the last CDTR report. In the same period in 2018, 114 cases were reported.

El Salvador: In 2019, as of 5 October, El Salvador reported 580 suspected cases. This represents an increase of 69 cases since the previous CDTR update. For the same period in 2018, El Salvador reported 303 suspected cases.

Mexico: In 2019, and as of 29 September, five confirmed cases have been reported in Mexico. For the same period in 2018, Mexico reported 20 confirmed cases.

Nicaragua: In 2019, as of 7 September, Nicaragua reported 123 suspected cases. Among these cases, none was confirmed. This represents an increase of 27 cases since the last CDTR report.

Paraguay: In 2019, as of 29 September, Paraguay reported 51 probable cases. This represents an increase of one additional case since the previous CDTR update. During the same period in 2018, 1 231 cases were reported.

Peru: In 2019, as of 6 October, Peru has reported 137 cases. This represents an increase of 18 additional cases since the previous CDTR update.

Venezuela: In 2019, as of 31 August, the country has reported 105 cases, including six confirmed cases according to WHO PAHO. This represents an increase of 53 cases since the previous CDTR update.

Asia

India: According to the National Centre for Disease Control, from 28 July to 11 August 2019, several chikungunya cases have been reported in Arunachal Pradesh (77), Tamil Nadu (34) and Karnataka (9). Additionally, since the last CDTR update, media sources reports 164 cases in Pune and 46 cases in Hyderabad.

Malaysia: In 2019 and as of 7 September, 477 cases have been reported across the country, with most of the cases being reported in Selangor and Perak regions according to Malaysia MoH.

Maldives: According to the Maldives Health Protection Agency, in 2019 and as of 4 September, there have been 1 411 cases reported in the country. This represents an increase of 84 cases since the previous CDTR update.

Taiwan: In 2019, as of 13 October, the country has reported 21 chikungunya cases. This is an increase of 10 cases since the previous CDTR update. In the same period in 2018, no indigenous chikungunya cases were reported in Taiwan.

Thailand: In 2019, as of 6 October, the country has reported 8 104 cases with no deaths associated affecting 52 provinces. This is an increase of 817 cases since the previous CDTR update. Provinces reporting the highest incidences are located in the southern part of the country.

Africa

Ethiopia: According to WHO, since the beginning of the outbreak in July 2019 and as of 29 September, 49 616 cases with no associated deaths have been reported in Dire Dawa city Administration. This is an increase of 18 469 cases since the previous CDTR update. 

Australia and the Pacific

No outbreaks have been reported since the previous update.