“…Two trials including infants in the first 6 months of life investigated the effect of injecting the most painful vaccine last. 13 , 14 Included studies compared either: (1) pneumococcus conjugate vaccine, PCV (Prevnar) to diphtheria and tetanus toxoids, polio, acellular pertussis, and Haemophilus influenzae type b conjugate vaccine, DPTaP-Hib (Pentacel), or (2) Bacille Calmette-Guérin vaccine, BCG (Tubervac) to hepatitis B vaccine (GeneVac-B). There was moderate quality evidence for distress, the critical outcome (see Table, http://links.lww.com/CJP/A283 SDC 2).…”