“…A total of 24 articles reported results on alloHSCT, 5 on autoHSCT and 6 on both. Fourteen articles reported on influenza [ 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 24 , 25 ], four on pneumococci [ 26 , 27 , 28 , 29 ], one on tetanus and pertussis [ 30 ], one on Hib [ 31 ], one on meningococci [ 32 ], three on hepatitis B [ 33 , 34 , 35 ], two on measles, mumps and rubella (MMR) [ 36 , 37 ] and two on varicella zoster virus [ 38 , 39 ]. Seven articles reported data on multiple vaccines [ 40 , 41 , 42 , 43 , 44 , 45 , 46 ].…”