Compiled by the ENCLAI research team following a documented methodology · Editorial oversight: Dr Natalya Mathur, Founder · Data last updated: (UTC)

Norovirus gastroenteritis in Estonia: 2026 cases and outbreak reports

Reported norovirus gastroenteritis surveillance for Estonia (EST) — ▲ Rising · 2025 — latest record 2026-06-07

What the 2026 data shows

No norovirus gastroenteritis case count has been reported for Estonia so far in 2026. The full year 2025 closed at 896 cases. 2025 closed 24% above the 2023–2024 average, which is why the trend reads “Rising”.

ENCLAI has logged 83 surveillance records for norovirus gastroenteritis in Estonia in 2026, with the most detailed reporting in Jun 2026 (83 records). 1 distinct surveillance sources reported this pair in 2026.

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Surveillance summary

2026 cases (YTD)
not reported
2025 cases (full year)
896
Baseline avg (3yr)
N/A
Trend (2025)
▲ Rising · 2025
+24% vs 2023–2024 average

Reported cases by year, Estonia

YearReported casesShare of worldwide reports
2023 643 5.9%
2024 803 4.3%
2025 896 3.6%
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 norovirus gastroenteritis 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

MonthRecordsReporting sources
Jun 2026831

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.

Sub-national reporting, 2026

Areas within Estonia with the most norovirus gastroenteritis records this year:

AreaRecords
Harjumaa5
Ida-Virumaa5
Järvamaa5
Jõgevamaa5
Lääne5

Norovirus gastroenteritis in other countries, 2026

Country2026 casesTrend
Germany 11,321
Poland 10,875 ▲ Rising · 2025
Finland 3,289 ▲ Rising · 2025
Slovenia 2,312
Norway 2,057

Other diseases reported in Estonia, 2026

Disease2026 casesTrend
Seasonal influenza 3,221 ▲ Rising · 2025
Respiratory syncytial virus infection 2,533 ▲ Rising · 2025
COVID-19 2,083 ▼ Declining · 2025
Measles 4 ▲ Rising · 2025

Questions about this page

How many norovirus gastroenteritis cases has Estonia reported in 2026?
No norovirus gastroenteritis case count has been reported for Estonia so far in 2026. The full year 2025 closed at 896 cases. 2025 closed 24% above the 2023–2024 average, which is why the trend reads “Rising”.
Is norovirus gastroenteritis rising or falling in Estonia?
ENCLAI's trend reading for norovirus gastroenteritis in Estonia 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. Estonia 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 norovirus gastroenteritis records for Estonia dated from 2015. How we verify and update data: methodology & Trust Center · understanding case counts.

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The daily disease brief

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.

Double opt-in — we send a confirmation link and nothing else until you click it. One-click unsubscribe on every email. See our privacy notice.