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Dengue fever

26 active outbreaks

990,372

Confirmed cases

787

Deaths

0.1%

Case fatality rate

26

Countries affected

Updated: August 10, 2026

Get alerted when Dengue fever cases are reported in your region →

Clinical profile

Pathogen

RNA virus

Flaviviridae

Incubation

4–14 d

CFR (reference)

< 1 % (pris en charge); dengue sévère : 2–5 %

R₀ (reference)

2–6

High

Vaccine

Available

Dengvaxia, Qdenga

Treatment

Supportive care

Transmission

Arthropod vector
WHO factsheet →

Active outbreaks

Taiwan

119 cases· Aug 10, 2026(today)

▲7%MODERATE RISK

Malaysia

54,972 cases· 34 deaths· Aug 9, 2026(yesterday)

▲22%HIGH RISK

Brazil

425,437 cases· 276 deaths· Aug 7, 2026(3d)

→

Outbreak history

2025Cuba
30,692 cases
2025Philippines
234,895 cases
2025Fiji
10,969 cases
2024Côte d'Ivoire
39 cases
2022Haiti
3,316 cases

Countries affected(31)

ArgentinaBangladeshBoliviaBrazilCambodiaColombiaEcuadorFranceFrench Polynesia

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MODERATE RISK

New Caledonia

2,220 cases· Aug 6, 2026(4d)

→1%HIGH RISK

Sri Lanka

87,536 cases· 63 deaths· Aug 4, 2026(6d)

▲11%MODERATE RISK

Nicaragua

2,050 cases· Aug 1, 2026(9d)

→3%MODERATE RISK

France

2 cases· Jul 27, 2026(14d)

→LOW RISK

Cambodia

40,915 cases· 58 deaths· Jul 26, 2026(15d)

▲46%HIGH RISK

French Polynesia

34 cases· Jul 5, 2026(36d)

→MODERATE RISK

Vietnam

41,684 cases· 8 deaths· Jun 30, 2026(41d)

▼17%MODERATE RISK

Peru

34,820 cases· 36 deaths· Jun 28, 2026(43d)

→HIGH RISK

Colombia

56,797 cases· 37 deaths· Jun 28, 2026(43d)

→HIGH RISK

Ecuador

20,978 cases· 28 deaths· Jun 28, 2026(43d)

→HIGH RISK

Argentina

55 cases· Jun 28, 2026(43d)

→MODERATE RISK

Laos

2,044 cases· Jun 22, 2026(49d)

→MODERATE RISK

Mexico

29,977 cases· 4 deaths· Jun 21, 2026(50d)

→MODERATE RISK

Paraguay

8,727 cases· Jun 21, 2026(50d)

→MODERATE RISK

Venezuela

7,964 cases· 7 deaths· Jun 21, 2026(50d)

→MODERATE RISK

Bolivia

50,778 cases· 1 deaths· Jun 7, 2026(64d)

→MODERATE RISK

Indonesia

58,357 cases· 152 deaths· Jun 1, 2026(70d)

→HIGH RISK

India

22,938 cases· 31 deaths· Jun 1, 2026(70d)

→HIGH RISK

Bangladesh

6,104 cases· 18 deaths· Jun 1, 2026(70d)

→MODERATE RISK

Thailand

11,855 cases· 18 deaths· Jun 1, 2026(70d)

→MODERATE RISK

Myanmar

1,790 cases· 7 deaths· Jun 1, 2026(70d)

→MODERATE RISK

Guatemala

4,817 cases· Apr 12, 2026(120d)

→MODERATE RISK

Samoa

17,402 cases· 9 deaths· Mar 8, 2026(155d)

MODERATE RISK
Guatemala
India
Indonesia
Laos
Malaysia
Mexico
Myanmar
New Caledonia
Nicaragua
Paraguay
Peru
Samoa
Sri Lanka
Taiwan
Thailand
Venezuela
Vietnam
Côte d'Ivoire
Cuba
Fiji
Haiti
Philippines