RSV and flu vaccines and low immunoglobulines

I am still taking MAC antibiotics and want to get the flue and rsv vaccines. My immunoglobulines G and M are below the norm so when I talked to my doctor she said ask an ID doctor. My ID said take them but I am still afraid I would get seriously ill. Has anybody despite taking antibiotics and behaving low immunity was vaccinated and how did you feel. Thank you for sharing