Nervous about daycare illness

I know there are lots of posts like this but I’m getting freaked out by some posts of people’s kids being constantly sick!

I go back to work in January, I’ll be in office 3x a week and WFH Monday and Friday, and hubby WFH but obviously we can’t do that and care for our baby.

She’ll be 3 months old when she starts daycare and while I do have mom guilt, I have been reassured by enough people that I know daycare will be okay in terms of care.

What I’m worried about is the illnesses. I know it’s unavoidable and that she will get sick and we’ll get sick, but I’m seriously worried about how young she’ll be. I’m terrified of her ending up in the hospital or something from daycare. Everyone says that the sickness is bad, and I’m sure it will be hitting us hard in January, but can anyone reassure me or offer any advice for a baby this young?