Measles in Algeria: 2026 cases and outbreak reports
Reported measles surveillance for Algeria (DZA)
— ▲ Rising · 2025
— latest record 2026-10-02
What the 2026 data shows
No measles case count has been reported for Algeria so far in 2026. The full year 2025 closed at 2,979 cases. 2025 closed 506% above the 2023–2024 average, which is why the trend reads “Rising”.
ENCLAI has logged 36 surveillance records for measles in Algeria in 2026, with the most detailed reporting in Oct 2026 (36 records). 1 distinct surveillance sources reported this pair in 2026.
Key facts: Measles
Transmission
Airborne
Droplets and aerosols; contagious in air or on surfaces for up to 2 h. Infectious from 4 days before to 4 days after the rash.Plotkin's 8e · WHO 2026
Incubation
12.5 days (median)
95% CI 11.8–13.2; symptoms usually 7–14 days after exposure (range 7–18).Plotkin's 8e · WHO 2026 · Oxford Hb 2025
Vaccine
MCV, 2 doses · ≈95%
Live attenuated; dose 1 at 9 months where measles is common (12–15 months elsewhere), dose 2 at 15–18 months. Two-dose effectiveness ≈95% (95% CI 89–100).WHO 2026 · Plotkin's 8e
Cited reference facts about the disease, not derived from the surveillance counts on this page. Full set on the Measles page.
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Surveillance summary
2026 cases (YTD)
not reported
2025 cases (full year)
2,979
Baseline avg (3yr)
N/A
Trend (2025)
▲ Rising · 2025
+506% vs 2023–2024 average
Reported cases by year, Algeria
Year
Reported cases
Share of worldwide reports
2023
454
1.3%
2024
530
0.6%
2025
2,979
10.7%
2026 (year to date)
not reported
—
Reporting bounds and case definitions vary; historical baselines are a separate comparison measure. Worldwide share compares this country's reported figure with the sum of all countries reporting measles to ENCLAI for that year. "Incomplete year" means our sources cover less than ten months of that year, so no full-year figure is shown; "outbreak total to date" is a running total since an outbreak began, not a count for one year.
Surveillance records logged in 2026
Month
Records
Reporting sources
Oct 2026
36
1
A record is one dated surveillance publication or one row of an official table; a month with many records is a month with detailed reporting, not necessarily more cases.
How many measles cases has Algeria reported in 2026?
No measles case count has been reported for Algeria so far in 2026. The full year 2025 closed at 2,979 cases. 2025 closed 506% above the 2023–2024 average, which is why the trend reads “Rising”.
Is measles rising or falling in Algeria?
ENCLAI's trend reading for measles in Algeria is “Rising · 2025”: the latest complete year is compared with the earlier baseline from the reported counts; the current year is not judged until it closes.
About this data
Figures are reported case counts as published by the originating health authorities, compiled by ENCLAI from 444 verified surveillance sources. Algeria figures reflect the reporting available to ENCLAI; reporting periods and case definitions differ between sources, and a missing report does not establish zero cases.
ENCLAI holds measles records for Algeria dated from 2000.
How we verify and update data: methodology & Trust Center · understanding case counts.
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