European Sperm Bank – Donor: 8306/Bernt New
Safety warnings
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Blood & Tissue
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13/11/2026
The Danish authority has informed the Federal Office for Safety in Healthcare that the Danish tissue bank, the European Sperm Bank, has provided the following information:
Sperm donor 8306/Bernt is a healthy carrier of the Z variant in the SERPINA1 gene and is therefore a carrier of alpha-1 antitrypsin deficiency.
The donor and the donor’s gametes have been blocked, but may be used for siblings.
If you have any queries, please contact the Federal Office for Safety in Healthcare at gewebevigilanz@basg.gv.at or the tissue bank from which the sperm donation was obtained directly.
This letter reflects the BASG’s current understanding of the situation. Any further information will be announced as soon as it becomes available.
Further inquiry note
Page last modified:
13/11/2026