The infirmary is the institution's medical facility. We are not able to access their records to know the reason why he would have been moved from a minimum security facility to the hospital of a medium security prison. If we were to make a guess, it sounds like he might have needed medical treatment. As his wife, you might try calling the facility and ask to speak with the case manager, counselor or unit team secretary to get more information - they are usually very good about helping ease your mind.
https://www.inmateaid.com/ask-the-inmate/my-husband-has-been-in-fire-camp-and-is-scheduled-to-be-released-on-02#answer
Accepted Answer Date Created: December 23,2015