Reported diphtheria surveillance for Algeria (DZA) — ▲ Rising · 2025 — latest record 2026-10-02
No diphtheria case count has been reported for Algeria so far in 2026. The full year 2025 closed at 896 cases. 2025 closed 30% above the 2023–2024 average, which is why the trend reads “Rising”.
ENCLAI has logged 14 surveillance records for diphtheria in Algeria in 2026, with the most detailed reporting in Oct 2026 (13 records). 2 distinct surveillance sources reported this pair in 2026.
One email a day: what changed in official disease reporting worldwide, with the source named for every number. Reported facts only — no forecasts and no interpretation.
| Year | Reported cases | Share of worldwide reports |
|---|---|---|
| 2023 | 251 | 17.9% |
| 2024 | 1,124 | 94.0% |
| 2025 | 896 | 85.6% |
| 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 diphtheria 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.
| Month | Records | Reporting sources |
|---|---|---|
| Jul 2026 | 1 | 1 |
| Oct 2026 | 13 | 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.
| Country | 2026 cases | Trend |
|---|---|---|
| Nigeria | 12,491 | |
| Australia | 630 | ▼ Declining · 2025 |
| Niger | 313 | |
| Senegal | 161 (outbreak total to date) | |
| Guinea | 148 |
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One email a day: what changed in official disease reporting worldwide, with the source named for every number. Reported facts only — no forecasts and no interpretation.
