Surveillance system
The dataset is built from configured official feeds for Poland; current primary sources include ECDC Surveillance Atlas — Poland Annual Baseline.
Current interpretation
Coverage currently spans 1990-01-01 to 2025-01-01 across 51 tracked diseases.
Reporting cadence
Observed source periods are ANNUAL; charts preserve source-period counts without frequency normalization.
Data limitations
Counts reflect reported surveillance records and may be affected by case definitions, reporting lag, source cadence, and missing population denominators.