One Arm or Two? Concurrent Administration of Meningococcal C Conjugate and Hepatitis B Vaccines in Pre-teens

Background The purpose of this study was to: a) compare rates of local reactions from meningococcal C conjugate (Neis Vac-C®) and hepatitis B vaccines (Recombivax HB®), and b) compare local reactions when both injections were given in one arm versus one in each arm.