Children get up to five shots in one doctor's visit and that concerns some parents.
Scientists at the "Institute of Medicine" said a comprehensive review found no evidence that this vaccine timetable causes other problems such as autism or asthma.
The advisors hope the findings will reassure parents and doctors and the group is recommending that research continues.
They hope to answer questions over the benefits and risks of alternative vaccine schedules including those that delay or space out immunizations.
