No worries for Olmanhunk's spouse.
Lu-177 emits beta particles that have a short range in soft tissue (max 1.7 mm). Hence, the amount of radiation leaving the body will not endanger others but may set off sensitive radiation detectors.
Also note that the half-life of Lu-177 is ~6.55 days.
Post Edited (Sr Sailor) : 9/17/2022 4:04:14 PM (GMT-7)