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Chikungunya worldwide overview

Situation update, 17 March 2023

In 2023, and as of 9 March, 114 181 cases and 43 deaths have been reported. The majority of cases have been reported from Paraguay (82 240), Brazil (30 386), Argentina (655), Bolivia (300) and Thailand (259). All deaths have been reported from Paraguay (43).

Countries with most cases
Paraguay, Brazil, Argentina, Bolivia, Thailand
Cases in continental Europe
No locally acquired cases in continental Europe in 2022 - March 2023
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, January-March 2023.

Three-month chikungunya virus disease case notification rate per 100 000 population, January-March 2023
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

Paraguay reported a large increase in chikungunya virus disease cases, with 11 650 cases reported during weeks 6-8, (Ministry of Health Weekly Surveillance report), and media report on pressure in the healthcare system in the country. In addition, on 2 March 2023, US CDC published an advisory on the Health Alert Network reporting on the increased number of cases in Paraguay and providing recommendations for healthcare professionals and travellers.

Argentina: In 2023 and as of 25 February, 655 cases, including 161 confirmed cases and no deaths, had been 
reported.
Belize: In 2023 and as of 4 February, 46 cases and no deaths had been reported.
Bolivia: In 2023 and as of 11 February, 300 cases and no deaths had been reported.
Brazil: In 2023 and as of 25 February, 30 386 cases, including 6 794 confirmed cases and no deaths, had been 
reported.
Colombia: In 2023 and as of 25 February, 9 cases and no deaths had been reported.
Costa Rica: In 2023 and as of 18 February, 2 cases, including 2 confirmed cases and no deaths had been reported.
El Salvador: In 2023 and as of 25 February, 4 cases and no deaths had been reported.
Guatemala: In 2023 and as of 11 February, 40 cases and no deaths had been reported.
Nicaragua: In 2023 and as of 18 February, 3 cases and no deaths had been reported.
Paraguay: In 2023 and as of 4 March, 82 240 cases, including 35 997 confirmed cases and 43 deaths had been 
reported.
Peru: In 2023 and as of 4 March, 97 cases, including 59 confirmed cases and no deaths had been reported.
Uruguay: In 2023 and as of 18 February, 4 cases, including 4 confirmed cases and no deaths had been reported.
Venezuela: In 2023 and as of 14 January, 13 cases and no deaths had been reported.

Asia

Malaysia: In 2023 and as of 18 February, 94 confirmed cases and no deaths had been reported.
Philippines: In 2023 and as of 18 February, 29 confirmed cases and no deaths had been reported.
Thailand: In 2023 and as of 25 February, 259 confirmed cases and no deaths had been reported.

Africa

No autochthonous cases have been reported in 2023.

Australia and the Pacific

No autochthonous cases have been reported in 2022.

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