the patient only received the liquid part, the DTaP-IPV, and they didn't mix it with the other part the Hib component, with no reported adverse event; This case is related to case ID: US-SA-2022SA013218.  Initial information received on 12-Jan-2022 regarding an unsolicited valid non-serious case was received from a nurse.  This case involves a 6 month old and unknown gender patient who only received the liquid part, the dtap-ipv, and they didn't mix it with the other part the hib component, with no reported adverse event (ae) while receiving vaccine DIPHTHERIA/TETANUS/5 HYBRID AC PERTUSSIS/IPV(MRC5)/HIB(PRP/T) VACCINE [PENTACEL].  The patient's past medical history, medical treatment(s), vaccination(s) and family history were not provided.   On an unknown date, the patient received a dose of suspect DIPHTHERIA/TETANUS/5 HYBRID AC PERTUSSIS/IPV(MRC5)/HIB(PRP/T) VACCINE (lot number, expiration date: not reported) via unknown route in unknown administration site as prophylactic vaccination. There will be no information available on the batch number for this case.  On an unknown date the patient developed a non-serious "the patient only received the liquid part, the dtap-ipv, and they didn't mix it with the other part the hib component, with no reported ae (single component of a two-component product administered)" (latency: same day) following the administration of DIPHTHERIA/TETANUS/5 HYBRID AC PERTUSSIS/IPV(MRC5)/HIB(PRP/T) VACCINE.  It was reported "a partial dose of the PENTACEL was given to a 2 month old and 6 month old. The caller states that the patients only received the liquid part, the DTaP-IPV, and they didn't mix it with the other part the Hib component. She would like to request two of the proper diluents, the 0.4% NaCl saline solution. She would like to know how long this request will take and if she will receive a call or an e-mail. She would like to know if they can call the patient and have them come in to get the Hib component now or do they have to wait until they get the diluent. The caller states that she will not provide additional information for the report if she does not have to. This is all the information she provided at the time of her call. No additional information from primary intake; caller refused to respond to questions and has accepted follow-up."  Action taken with DIPHTHERIA, TETANUS, AC PERTUSSIS, IPV AND HIB VACCINE (PENTACEL) was not applicable.  It was not reported if the patient received a corrective treatment for the event (the patient only received the liquid part, the DTaP-IPV, and they didn't mix it with the other part the Hib component, with no reported AE).  At time of reporting, the outcome was Unknown for the event the patient only received the liquid part, the dtap-ipv, and they didn't mix it with the other part the hib component, with no reported ae.  This suspected adverse reaction report is submitted and classified as a medication error solely and exclusively to ensure the marketing authorization holder's compliance with the requirements set out in the regulatory agency. The classification as a medical error is in no way intended, nor should it be interpreted or construed as an allegation or claim made by the marketing authorization holder that any third party has contributed to or is to be held liable for the occurrence of this medication error.; Sender's Comments:  US-SA-2022SA013218: