I'm fully vaccinated (1st dose on 16 weeks, 2nd dose on 21 weeks), was positive Covid as well when I was 19 weeks pregnant. Now I'm 24 weeks in, the baby is healthy as far as I know from my last monthly check up. Do not worry, vaccine is to built your antibody against the virus. You will still have the possibilities to contract the virus, of course. But it won't be as severe.