Measles

6 active outbreaks

47,217

Confirmed cases

Deaths

0.1%

Case fatality rate

Countries affected

Updated: August 8, 2026

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Clinical profile

Pathogen

RNA virus

Paramyxoviridae

Incubation

7–14 d

CFR (reference)

0,1 % (pays à revenus élevés) → 1–5 % (pays à faibles revenus)

R₀ (reference)

12–18

Very high

Vaccine

Available

ROR / MMR

Treatment

Supportive care

Transmission

Airborne / aerosolRespiratory droplets

WHO factsheet →

Active outbreaks

Mexico

12,255 cases· 17 deaths· Aug 7, 2026(3d)

→MODERATE RISK

Guatemala

30,371 cases· 26 deaths· Aug 7, 2026(3d)

→1%HIGH RISK

United States

2,260 cases· Aug 7, 2026(3d)

→3%

Outbreak history

2025Americas (regional)

Countries affected(21)

Bolivia Canada Guatemala Mexico Peru United States Bangladesh DR Congo Ethiopia France

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