| 11 Mar 2026 | EU | Norovirus in Ostrica concava (Magallana gigas) from France, raw material from Ireland | Norovirus | Information · serious |
| 10 Mar 2026 | EU | Norovirus in oysters from Ireland via The Netherlands | Norovirus | Information · potentially serious |
| 20 Feb 2026 | EU | Potential Norovirus in Oysters from Ireland | Norovirus | Information · potentially serious |
| 4 Dec 2025 | EU | norovirus (GII /2g) in live Pacificoysters (Magallana gigas) from the Netherlands, with ra | Norovirus | Information · potentially serious |
| 28 Mar 2025 | EU | Norovirus in oysters from Ireland | Norovirus | Information · potentially serious |
| 6 Feb 2025 | EU | Norovirus in oysters from France via The Netherlands | Norovirus | Information · potentially serious |
| 31 Dec 2024 | EU | foodborne outbreak suspected to be caused by norovirus in chilled oysters (Crassostrea gig | Norovirus | Information · potentially serious |
| 6 Nov 2024 | EU | Norovirus in oysters, origin Ireland, via the Netherlands and France | Norovirus | Information · potentially serious |
| 17 Apr 2024 | EU | NOROVIRUS IN OSTRICHE CONCAVE ORIGINE OLANDA/Norovirus in concave oysters from the Netherl | Norovirus | Information · potentially serious |
| 27 Mar 2024 | EU | Norovirus in chilled oysters from Ireland via the Netherlands | Norovirus | Information · potentially serious |
| 12 Mar 2024 | EU | Norovirus in oysters | Norovirus | Information · potentially serious |
| 8 Mar 2024 | EU | Presence of Norovirus in oysters from France | Norovirus | Information · potentially serious |
| 31 Mar 2023 | EU | Norovirus in oysters from Ireland via the Netherlands | Norovirus | Information · serious |
| 4 May 2022 | EU | Norovirus in oysters from Ireland, processed in the Nethelands | Norovirus | Information · undecided |
| 2 Mar 2020 | EU | Norovirus GII in Oysters | Norovirus | Alert · serious |
| 22 Jan 2020 | EU | Norovirus in oysters from Ireland | Norovirus | Information · serious |
| 14 Jan 2020 | EU | Possible presence of norovirus in live oysters from France | Norovirus | Information · undecided |