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

Listeriosis in Poland: 2026 cases and outbreak reports

Reported listeriosis surveillance for Poland (POL) — ▲ Rising · 2025 — latest record 2026-10-02

What the 2026 data shows

As of 31 October 2026, Poland has reported 215 listeriosis cases in 2026, as published by National Institute of Public Health (NIZP-PZH). The full year 2025 closed at 306 cases. 2025 closed 26% above the 2023–2024 average, which is why the trend reads “Rising”.

Of the 15 countries reporting listeriosis to ENCLAI in 2026, Poland accounts for 13.2% of reported cases and ranks 3 by case count.

ENCLAI has logged 181 surveillance records for listeriosis in Poland in 2026, with the most detailed reporting in Oct 2026 (181 records); the case counts run to 2026-10-31. 1 distinct surveillance sources reported this pair in 2026.

Reporting authorities for these counts: National Institute of Public Health (NIZP-PZH) — Epidemiological Reports

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Surveillance summary

2026 cases (YTD)
215
2025 cases (full year)
306
Baseline avg (3yr)
N/A
Trend (2025)
▲ Rising · 2025
+26% vs 2023–2024 average

Reported cases by year, Poland

YearReported casesShare of worldwide reports
2023 241 28.8%
2024 244 22.4%
2025 306 15.1%
2026 (year to date) 215 13.2%

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 listeriosis 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
Oct 20261811

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 Poland with the most listeriosis records this year:

AreaRecords
Dolnośląskie11
Kujawsko-Pomorskie11
Łódzkie11
Lubuskie11
Mazowieckie11

Listeriosis in other countries, 2026

Country2026 casesTrend
United States 718 ▲ Rising · 2025
Spain 269 ≈ Stable · 2025
Taiwan 150 ≈ Stable · 2025
Australia 66
Germany 62 ▼ Declining · 2025

Other diseases reported in Poland, 2026

Disease2026 casesTrend
Respiratory syncytial virus infection 76,067 ≈ Stable · 2025
Varicella 73,825 ▼ Declining · 2025
Lyme borreliosis 43,105 ▲ Rising · 2025
COVID-19 34,918 ▼ Declining · 2025
Clostridioides difficile colitis 18,567 ≈ Stable · 2025

Questions about this page

How many listeriosis cases has Poland reported in 2026?
As of 31 October 2026, Poland has reported 215 listeriosis cases in 2026, as published by National Institute of Public Health (NIZP-PZH). The full year 2025 closed at 306 cases. 2025 closed 26% above the 2023–2024 average, which is why the trend reads “Rising”.
Is listeriosis rising or falling in Poland?
ENCLAI's trend reading for listeriosis in Poland 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.
Where does Poland publish listeriosis surveillance data?
The counts on this page were published by National Institute of Public Health (NIZP-PZH) — Epidemiological Reports. ENCLAI compiles and normalises them and is not affiliated with these authorities.

About this data

Figures are reported case counts as published by the originating health authorities, compiled by ENCLAI from 444 verified surveillance sources. Poland 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 listeriosis records for Poland dated from 2015. How we verify and update data: methodology & Trust Center · understanding case counts.

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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.