Chikungunya worldwide overview

Situation update, 27 January 2023

In 2022, and up to 31 December 2022, 383 357 cases of chikungunya virus disease and 76 deaths have been reported. The majority of cases have been reported from Brazil (265 289), India (108 957), Paraguay (2 443), Guatemala (1 933) and Thailand (1 370). Deaths have been reported from Brazil (75) and Kenya (1). Since week 51 2022, 20 151 new cases have been reported, with no new deaths. The five countries reporting most new cases are Brazil (17 752), Paraguay (1 507), Thailand (261), Peru (244), and Guatemala (133).

Countries with most cases
Brazil, India, Guatemala and Thailand
Cases in continental Europe
No locally acquired cases in continental Europe in 2022
Very low risk of transmission in continental Europe
environmental conditions are not favourable to vector activity and virus replication

Three-month chikungunya virus disease case notification rate per 100 000 population, October–December 2022.

Three-month chikungunya virus disease case notification rate per 100 000 population, October–December 2022
Geographical distribution of chikungunya cases reported worldwide

Detailed overview

Europe

No autochthonous cases of chikungunya virus disease have been reported in Europe in 2022.

Americas and the Caribbean

In 2022, and up to 31 December 2022, the WHO Pan American Health Organization (PAHO) reported 271 006 cases of chikungunya virus disease and 75 associated deaths, in the Americas. The five countries reporting most cases are: Brazil (265 289), Paraguay (2 443), Guatemala (1 933), Peru (595), and Bolivia (232). This is an increase of 19 790 cases since the last update. There have been no deaths since the last update.

Asia

India: In 2022 and as of 31 October 2022, 108 957 cases of chikungunya virus disease, including 5 320 confirmed cases and no deaths, have been reported.
Malaysia: In 2022 and as of 31 December 2022, 814 confirmed cases of chikungunya virus disease and no deaths have been reported. This is an increase of 51 confirmed cases since 10 December 2022.
The Philippines: In 2022 and as of 17 December 2022, 600 confirmed cases of chikungunya virus disease and no deaths have been reported. This is an increase of 49 confirmed cases since 12 November 2022.
Thailand: In 2022 and as of 31 December 2022, 1 370 cases of chikungunya virus disease and no deaths have been reported. This is an increase of 261 cases since 27 November 2022.

Africa

Ethiopia: In 2022 and as of 8 May 2022, 311 cases, including three confirmed cases of chikungunya virus disease and no deaths, have been reported.
Kenya: In 2022 and as of 11 December 2022, 291 cases, including five confirmed cases of chikungunya virus disease and one death, have been reported.
Sudan: In 2022 and as of 6 October 2022, eight cases of chikungunya virus disease and no deaths have been reported.

Australia and the Pacific

No autochthonous cases have been reported in 2022.