RT Journal Article SR Electronic T1 Vaccine update 2010: Keeping up with the changes JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 255 OP 263 DO 10.3949/ccjm.77a.09109 VO 77 IS 4 A1 Campos-Outcalt, Doug YR 2010 UL http://www.ccjm.org/content/77/4/255.abstract AB A number of new vaccines have been approved in recent years, and existing vaccines have been extended to new groups. We summarize the additions and changes over the past 3 years.