difficulty breathing; pneumonia; human immunodeficiency virus; pain in arm, neck and back; pain in arm, neck and back; pain in arm, neck and back; FACILITATED COLLECT   This is a solicited report based on the information received by Pfizer from AbbVie Inc. (MFR Control No. # 21K-163-3841481-00). A non-contactable consumer (patient) reported for himself that a 78-year-old male patient received bnt162b2 (Pfizer, Batch/Lot number was not reported), intramuscular on 12Mar2021 as single dose for covid-19 immunization; adalimumab (HUMIRA, Batch/Lot number was not reported, Solution for injection in pre-filled pen), subcutaneous from an unspecified date to an unspecified date, at unknown dose for moderate to severe chronic plaque psoriasis, psoriatic arthritis. The patient's medical history and concomitant medications were not reported. The patient experienced difficulty breathing on an unspecified date, pneumonia in Mar2021, pain in arm, neck and back in Mar2021, human immunodeficiency virus on an unspecified date. The events difficulty breathing and pneumonia were reported as serious per hospitalization, event human immunodeficiency virus was serious per medically significant. The patient took covid-19 vaccine and afterwards had pain in arm, neck and back and could not breathe. He went to emergency room and was hospitalized due to difficulty breathing and was diagnosed with pneumonia. He did not know if this was due to vaccine and would not be taking second vaccine shot per his primary physician. He also had human immunodeficiency virus. It was unknown if patient was enrolled in a COVID-19 vaccine trial. On 12Mar2021, patient received first dose COVID-19 vaccine manufactured by Pfizer. The action taken in response to the events for adalimumab was unknown. The outcome of events for difficulty breathing was unknown, for other events was resolving. The reporter's causality for the event(s) of Pneumonia, Pain in arm, Human Immunodeficiency virus, Pain in Back and Pain in neck with adalimumab was no reasonable possibility. Causality for all events with COVID-19 vaccine was not reported.   The reporter's assessment of the causal relationship of all events with the suspect product was not provided at the time of this report. Since no determination has been received, the case is managed based on the company causality assessment.   Information on batch/lot number has been requested.; Sender's Comments: Based on known disease pathophysiology, the  reported event of  Human Immunodeficiency virus , pneumonia  and dyspnea is assessed as not related to suspected product  bnt162b2 vaccine and  the events pneumonia  and dyspnea are more likely due to underlying medical condition of chronic plaque psoriasis. However the reported events of  Pain in extremities ,Pain in Back and Pain in neck is assessed as related due to close temporal association with the suspect product. However, more information is required on date of HIV infection deducted to properly assess the case. The case will be reevaluated should additional information become available.  The impact of this report on the benefit-risk profile of the Pfizer product and on the conduct of the study is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to regulatory authorities, Ethics Committees, and Investigators, as appropriate.