Chikungunya worldwide overview

Situation update, 27 August 2021

In 2021, 117 633 cases have been reported, the majority from Brazil (87 595), India (25 166), Guatemala (1 091), Malaysia (885) and Belize (737). Since the previous update, week 30, 32 329 new cases have been reported, the majority from Brazil (19 265), India (11 771), Guatemala (1 032), Malaysia (161) and Peru (34).

Countries with most cases
Brazil, India, Guatemala, Malaysia and Belize
Cases in continental Europe
No locally acquired cases in continental Europe in 2021
Negligible risk of transmission in continental Europe
environmental conditions are currently not favourable to vector activity and virus replication

Geographical distribution of chikungunya cases reported worldwide, June to August 2021

Geographical distribution of chikungunya cases reported worldwide, June to August 2021
Geographical distribution of chikungunya cases reported worldwide, June to August 2021

Detailed overview

Europe

No autochthonous cases of chikungunya virus disease have been detected in Europe in 2021.

Americas and the Caribbean

Belize: In 2021 and as of 29 May 2021, 737 cases have been reported and no deaths.

Bolivia: In 2021 and as of 14 August 2021, 290 cases have been reported, including 32 confirmed cases and no deaths. This is an increase of 33 new cases and no new deaths since 10 July 2021.

Brazil: In 2021 and as of 24 July 2021, 87 595 cases have been reported, including 36 736 confirmed cases and six deaths. This is an increase of 19 265 new cases and one new death since 19 June 2021.

Colombia: In 2021 and as of 7 August 2021, 36 cases have been reported, including no confirmed cases and no deaths. This is an increase of six new cases and no new deaths since 17 July 2021.

Costa Rica: In 2021 and as of 31 July 2021, 19 cases have been reported, including no confirmed cases and no deaths. This is an increase of one new case and no new deaths since 3 July 2021.

El Salvador: In 2021 and as of 7 August 2021, 63 cases have been reported, including no confirmed cases and no deaths. This is an increase of five new cases and no new deaths since 10 July 2021.

Guatemala: In 2021 and as of 24 July 2021, 1 091 cases have been reported, including no confirmed cases and no deaths. This is an increase of 1 032 new cases and no new deaths since 5 June 2021.

Mexico: In 2021 and as of 7 August 2021, three cases have been reported, including three confirmed cases and no deaths.

Nicaragua: In 2021 and as of 14 August 2021, eight cases have been reported, including one confirmed case and no deaths. This is an increase of three new cases and no new deaths since 19 June 2021.

Paraguay: In 2021 and as of 7 August 2021, 93 cases have been reported, including no confirmed cases and no deaths. This is an increase of six new cases and no new deaths since 17 July 2021.

Peru: In 2021 and as of 14 August 2021, 601 cases have been reported, including 302 confirmed cases and no deaths. This is an increase of 34 new cases and no new deaths since 17 July 2021.

Saint Lucia: In 2021 and as of 7 August 2021, one case has been reported, including one confirmed case and no deaths.

Venezuela: In 2021 and as of 31 July 2021, 37 cases have been reported, including no confirmed cases and no deaths. This is an increase of 12 new cases and no new deaths since 17 July 2021.

Asia

Cambodia: In 2021 and as of 9 June 2021, 514 cases have been reported, including no deaths.

India: In 2021 and as of 31 July 2021, 25 166 cases have been reported, including 2 764 confirmed cases and no deaths. This is an increase of 11 771 new cases and no new deaths since 31 May 2021.

Malaysia: In 2021 and as of 7 August 2021, 885 cases have been reported, including no deaths. This is an increase of 161 new cases and no new deaths since 26 June 2021.

Thailand: In 2021 and as of 11 July 2021, 390 cases have been reported, including no deaths.

Africa

Democratic Republic of Congo: In 2021 and as of 28 March, 104 cases have been reported.
 

Australia and the Pacific

No cases of chikungunya virus disease have been reported in Australia and the Pacific in 2021.

 

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. Please note that case definitions may differ between countries and comparisons should be made with caution.

Data

Geographical distribution of chikungunya virus disease cases reported worldwide, 2020

Map -
Period: 01 Jan 2020 - 31 Dec 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.