Has anyone sent their preemie to daycare?

LO was born at 35w3d and spent 8 days in the NICU. We are restricting visitors and being very diligent about hand washing and sanitizing all his bottles, pacifiers, etc.

I'll be home for 12 weeks though DH and I are discussing the possibility of me taking a year off. If I do go back to work, I want to prolong the time DS has at home before going to daycare to try to help his immune system as much as possible. I've always heard that kids come home sick with everything when they're in daycare and with him being a preemie, that terrifies me.

How old was your preemie LO when they went to daycare? Did they catch a lot of colds?