Your child will need 2 doses of HepA vaccine, given at least 6 months apart. 6–18 mos 1. 12–15 mos1 15–18 mos1. Check with your doctor or nurse to make sure your baby is receiving all vaccinations on schedule. Many. times vaccines are combined to reduce the number of injections. Be sure you ask for a record card with the. dates of your baby’s vaccinations; bring this with you to every visit.