VACCINE, vol.36, no.14, pp.1908-1916, 2018 (SCI-Expanded)
Background: We evaluated the immunogenicity and safety of 1 and 2 doses of quadrivalent meningococcal serogroup A, C, W and Y tetanus toxoid-conjugate vaccine (MenACWY-IT) given alone or co administered with 13-valent pneumococcal conjugate vaccine (PCV13) in toddlers.