I have to butt in here because I worry that you might be preparing food items for others while lesions are still open and the virus is being shedded.
Being an old RN...I know that when patients did come in during a shingles outbreak we did use universal precautions for ourselves such as gloves and gowns whenever we handled even sheets and pillows or gowns the patient wore. Although I had immunization due to my childhood chicken pox, I did not want to risk shedded virus on my person getting dropped onto another patient who might not have had chicken pox as a child. It would be considered a "contact" risk more than a risk of ingestion...but why take chances that your client might not know these issues and decide it was your product that made them sick.
Please be aware that you can give "chicken pox" to others who are not immunized...I know that sounds strange...but shingles comes from a chicken pox infection that you had when young and it laid dormant for decades and in later years it erupts again as shingles.
When shingles develops, the virus also is often present in that person's saliva, so theoretically it could be transmitted by kissing, but we don't know how often this happens.
Personally I'd think you would be too miserable to continue with orders for a bit...but I'm sure it would be hard to explain it to your clients why.
Is it possible your "client" on FB saw a reference to your outbreak of shingles? I know I wouldn't want an order from someone with a shingles outbreak...even if I knew the risk to me was small. I still wouldn't want to risk that the decorator with shingles might have been misdiagnosed and had something else.