I think it will be ok, just hand wash and avoid kissing on the lips

Just wash your hands like mad.

I have to formula feed bc I didn’t have the supply. He’s been on formula since 3 months. Would that affect anything you think?

That’s your decision. However, I called my LO’s pediatrician when I had a 103 fever and she said it’s no issue at all that he’s around me, just keeping nursing him. When you’re sick, your body makes antibodies in your milk to pass on to your baby so they don’t get sick. I had a fever for 3 days and he didn’t catch anything