Food poisoning incident caused by norovirus
Choushimaru Co.,Ltd. (filing company)
Sushi Choushimaru Kashiwa Store
Norovirus
Related procedures
Business suspension order
Kashiwa Public Health Center
Company response
Operations at Sushi Choushimaru Kashiwa Store. The store voluntarily suspended operations from 3 April 2026 and received a business suspension order dated 6 April 2026, effective for 3 days from that date.
We will once again work to prevent recurrence and strengthen safety, establish an even more robust hygiene management system, and strengthen guidance provided to our stores.
We believe that the impact on earnings from the store's voluntary suspension of operations and the 6-day business suspension order (3 April 2026–8 April 2026) will be minor. However, if disclosure becomes necessary, we will promptly provide a separate update.
We will once again work to prevent recurrence and strengthen safety, establish an even more robust hygiene management system, and strengthen guidance provided to our stores. If disclosure regarding the impact on earnings becomes necessary, we will promptly provide a separate update.
If disclosure becomes necessary, we will promptly provide a separate update.
| Item | Details |
|---|---|
| Event name | Food poisoning incident caused by norovirus |
| Date of occurrence | 1 April 2026–2 April 2026 (dates on which the food was consumed and the food poisoning was caused) |
| Subject Entity | Choushimaru Co.,Ltd. (filing company) |
| Target Locations / Products | Sushi Choushimaru Kashiwa Store |
| Cause | Norovirus |
| Impact on Earnings Forecast | We believe that the impact on earnings from the store's voluntary suspension of operations and the 6-day business suspension order (3 April 2026–8 April 2026) will be minor. However, if disclosure becomes necessary, we will promptly provide a separate update. |
| Type of litigation or proceeding | Business suspension order |
| Court or authority | Kashiwa Public Health Center |
| Date of filing / date of action | 6 April 2026 (date of business suspension order) |
| Suspended operations | Operations at Sushi Choushimaru Kashiwa Store. The store voluntarily suspended operations from 3 April 2026 and received a business suspension order dated 6 April 2026, effective for 3 days from that date. |
| Measures to prevent recurrence | We will once again work to prevent recurrence and strengthen safety, establish an even more robust hygiene management system, and strengthen guidance provided to our stores. |
| Outlook | We will once again work to prevent recurrence and strengthen safety, establish an even more robust hygiene management system, and strengthen guidance provided to our stores. If disclosure regarding the impact on earnings becomes necessary, we will promptly provide a separate update. |
| Planned follow-up disclosure | If disclosure becomes necessary, we will promptly provide a separate update. |
Items this document does not state (12)
These are items the company does not state in this document. We do not leave them blank, nor fill them in from other sources or by inference.
The reasons the company gives
The company's own explanation, not something inferred from the numbers.A food poisoning incident caused by norovirus occurred at Sushi Choushimaru Kashiwa Store.