my babys immune system is not enough strong since he is born premature.now his actual age is 6 months n corrected age is 4 month.recently he was he was caught wd pneumonia. with medication he improved..my question is can I and my husband take vaccine shots to keep away flu and viral infection. as baby s health is sensitive I want to avoid any infection to me ad I don't have any backup to see him. plz suggest which vaccine I should take n is it safe for breastfeeding Mom