Chikungunya worldwide overview

Situation update, 17 November 2020

The virus is widespread in the Americas region, with several countries reporting cases in 2020. Chikungunya virus disease cases have also been reported in Asia and Africa during this period. No autochthonous cases of Chikungunya virus disease were  detected in continental Europe in 2020.

Countries with most cases
Chad, Thailand, Malaysia
Cases in continental Europe
No locally acquired cases in continental Europe in 2020
Very low risk of transmission in continental Europe
environmental conditions are no longer favourable to vector activity and virus replication.

Geographical distribution of chikungunya virus disease cases reported worldwide, September-November 2020

Geographical distribution of chikungunya virus disease cases reported worldwide, September-November 2020.
Geographical distribution of chikungunya virus disease cases reported worldwide, September - November 2020

Detailed overview

Europe
No autochthonous cases of Chikungunya virus disease have been detected in continental Europe in 2020.

Americas and the Caribbean
Colombia: In 2020, as of 7 November, Colombia has reported 158 cases, five of which are laboratory-confirmed. This represents an increase of two suspected cases since the last CDTR update.

Costa Rica: In 2020, as of 31 October, Costa Rica has reported 49 cases.

Ecuador: In 2020, as of 31 October, Ecuador has reported one case.

El Salvador: In 2020, as of 31 October, El Salvador has reported 106 suspected cases. This represents an increase of five new cases since the last CDTR update. During the same period in 2019, El Salvador reported 642 suspected cases.

Mexico: In 2020 and as of 31 October, Mexico has reported six confirmed cases. During the same period in 2019, Mexico reported nine cases.

Nicaragua: In 2020, as of 31 October, Nicaragua has reported 15 suspected cases. During the same period in 2019, 169 suspected cases were reported.

Paraguay: In 2020, as of 7 November, Paraguay has reported three probable cases and 283 additional suspected cases.

Peru: In 2020, as of 7 November, Peru has reported 94 cases, 52 of which are laboratory-confirmed. This represents an increase of 14 cases since the last CDTR update.

Venezuela: In 2020, as of 7 November, Venezuela has reported 62 cases, two of which are laboratory-confirmed. This represents an increase of 10 cases since the last CDTR update.

No updates are available for Barbados, Bolivia, Brazil, Guatemala and Honduras.

Asia
India: In 2020, and as of 30 September, India has reported 22 587 suspected cases and 3 487 confirmed cases.

Malaysia: In 2020 and as of 31 October, 2 374 cases have been reported across the country, with most of the cases being reported in Perak and Penang region according to Malaysia's Ministry of Health. This represents an increase of 149 cases since the last CDTR update.

Thailand: In 2020, and as of 7 November, the country has reported 10 397 cases, with no associated deaths, affecting 72 provinces across the country. This represents an increase of 296 cases since the last CDTR update.

No updates are available for Cambodia and Yemen.

Africa
Chad: In 2020, and as of 1 November, 38 633 chikungunya cases and one associated death have been reported in the country. This represents an increase of 4 188 cases and one death since the last CDTR update. Chikungunya cases have been confirmed in Abdi, Abéché, Biltine and Gozbeida health districts.

Sudan: In 2020 and as of 16 October, 11 additional chikungunya confirmed cases have been reported in West Darfur region. On 5 October 2020, a state of health emergency has been declared in the region as 41 chikungunya cases have been confirmed.

No updates are available for the outbreaks previously reported in Congo and Kenya.

Australia and the Pacific
No outbreaks have been reported since the previous update.

 

N.B: The data presented in this report originate from several sources, both official public health authorities and non-official sources such as news media.
Data completeness depends on the availability of reports from surveillance systems and their accuracy, which varies between countries.
All data should be interpreted with caution as there may be areas of under-reporting; reported figures may not reflect the actual epidemiological situation.

Data

Geographical distribution of chikungunya virus disease cases reported worldwide, 2019

Map -
Period: 01 Jan 2019 - 31 Dec 2019

Geographical distribution of chikungunya virus disease cases reported worldwide, 2019