Age: 80.0
Sex: F
Vaccine: COVID19-2
Symptoms: Circumstance or information capable of leading to medication error, No adverse event
Clinical narrative: No adverse event; received 0.5ml but handwritten paper work states that I received only 0.3ml; This spontaneous case was reported by a patient and describes the occurrence of CIRCUMSTANCE OR INFORMATION CAPABLE OF LEADING TO MEDICATION ERROR (received 0.5ml but handwritten paper work states that I received only 0.3ml) and NO ADVERSE EVENT (No adverse event) in an 80-year-old female patient who received mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (batch no. 043H22A) for COVID-19 prophylaxis.     The patient's past medical history included Enlargement heart in 2021. Concurrent medical conditions included Immunocompromised.    On 21-Apr-2023, the patient received fifth dose of mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (Intramuscular) .3 milliliter. On 21-Apr-2023,  after starting mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)), the patient experienced CIRCUMSTANCE OR INFORMATION CAPABLE OF LEADING TO MEDICATION ERROR (received 0.5ml but handwritten paper work states that I received only 0.3ml). On an unknown date, the patient experienced NO ADVERSE EVENT (No adverse event). At the time of the report, CIRCUMSTANCE OR INFORMATION CAPABLE OF LEADING TO MEDICATION ERROR (received 0.5ml but handwritten paper work states that I received only 0.3ml) and NO ADVERSE EVENT (No adverse event) outcome was unknown.        For mRNA-1273 BIVALENT .222 (MODERNA COVID-19 VACCINE, BIVALENT (ORIGINAL AND OMICRON BA.4/BA.5)) (Intramuscular), the reporter considered NO ADVERSE EVENT (No adverse event) to be not related. No further causality assessment was provided for CIRCUMSTANCE OR INFORMATION CAPABLE OF LEADING TO MEDICATION ERROR (received 0.5ml but handwritten paper work states that I received only 0.3ml).    No concomitant product reported.  It was reported that patient requested a second moderna bivalent booster at a local pharmacy and received the injection. After the injection patient read the paper work and was horrified that she did not receive a full dosage for adults who are autoimmune comprised. Should have received 0.5ml but handwritten paper work stated that she received only 0.3ml. Patient was told a person just wrote down wrong numbers. Patient received First primary monovalent dose on 10 Feb 2021. 2nd Primary monovalent dose on 19 Mar 2021. Dose 3 of first monovalent booster dose on 03 Nov 2021. Dose 4 of 2nd bivalent booster dose on 03 May 2022 and dose 5 of bivalent booster on 21 Apr 2023. She felt that she was not fully protected because she did not receive the correct dose. In 2021 patient had heart enlargement but no symptoms. She did not remember if that occurred before or after vaccination.  No treatment product reported.   Most recent FOLLOW-UP information incorporated above includes: On 21-Apr-2023: Follow up received contains Non significant information. On 23-Apr-2023: Follow up received contains Non significant information. On 24-Apr-2023: Followup received wherein the patient demographics were updated.