Had a heart problem and could not stand; Had a heart problem and could not stand/ His legs and body were slowly deteriorating; Shingles; He had no feeling in his legs at all; Administered on same date BNT162B2, BNT162B2 OMI BA.4-5=Flu vaccine= 18Oct2022; Administered on same date BNT162B2, BNT162B2 OMI BA.4-5=Flu vaccine= 18Oct2022; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 79-year-old male patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), on 18Oct2022 as dose 4 (booster), single (Lot number: GH9702) at the age of 79 years, in left arm for covid-19 immunisation; influenza vaccine (FLU VACCINE VII), on 18Oct2022 as dose number unknown, single (Batch/Lot number: unknown) for immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: BNT162b2 (1st dose given on 12 Mar2021, Lot EZ3302, expiration is unknown. Unknown arm), administration date: 12Mar2021, when the patient was 77-year-old, for COVID-19 immunization, reaction(s): "COVID-19"; BNT162b2 (2nd dose given on 08Apr2021, Lot FR8729, expiration is unknown. Unknown arm), administration date: 08Apr2021, when the patient was 77-year-old, for COVID-19 immunization, reaction(s): "COVID-19", "Drug ineffective"; BNT162b2 (3rd Dose 20Nov2021, Lot FG3521 or 7. He later said it was a 7. Expiration is Unknown. Unknown arm.), administration date: 20Nov2021, when the patient was 78-year-old, for COVID-19 immunization, reaction(s): "COVID-19", "Drug ineffective"; BNT162b2 (1st dose given on 12 Mar2021, Lot EZ3302, expiration is unknown. Unknown arm), administration date: 12Mar2021, when the patient was 77-year-old, for Covid-19 immunization, reaction(s): "Drug ineffective". The following information was reported: OFF LABEL USE (non-serious), PRODUCT USE ISSUE (non-serious) all with onset 18Oct2022, outcome "unknown" and all described as "Administered on same date BNT162B2, BNT162B2 OMI BA.4-5=Flu vaccine= 18Oct2022"; CARDIAC DISORDER (hospitalization), outcome "recovered with sequelae", described as "Had a heart problem and could not stand"; DYSSTASIA (hospitalization), outcome "recovered with sequelae", described as "Had a heart problem and could not stand/ He had no feeling in his legs at all/ His legs and body were slowly deteriorating"; HERPES ZOSTER (hospitalization), outcome "unknown", described as "Shingles". The patient was hospitalized for cardiac disorder, dysstasia, herpes zoster (hospitalization duration: 10 day(s)). Therapeutic measures were taken as a result of herpes zoster.  Clinical course: Received call from consumer who said he got the 2nd dose of Pfizer COVID vaccine Bivalent dose. What happened is he was in good shape but reduced blood level to the point where he caught COVID 19 and upon catching COVID, he wound up with Shingles. He received this vaccination on 18Oct2022, and guessed it was 2-3 months later that he got COVID, and he did not know he had it. He was hospitalized and just got released 2 weeks ago this past Saturday and thinks he was in for 10 days. He had a heart problem where he could not stand. He had no feeling in his legs at all. He was not even diagnosed with COVID yet. Nobody knew why after having 3rd shot, his legs and body were slowly deteriorating where he could not stand. Nobody knew it was COVID until he got in the hospital. Still has traces of the shingles. Taking medication right now for the shingles and his blood. On the card under other it says BIVALENT. This was his 3rd dose. He later confirmed it was his 4th dose after looking at his card. He stated he received what he believes were two primary doses and two Bivalent doses. The previous three doses were also confirmed to be Pfizer COVID vaccine. 1st dose given on 12Mar2021, Lot EZ3302, expiration is unknown. Unknown arm. He got some in the left and some in the right. When he got the Pfizer, this past one, he also got a flu shot and he does not remember which arm. He did not have manufacturer, lot or expiration for flu shot. 2nd dose given on 08Apr2021, Lot FR8729, expiration is unknown. Unknown arm. 3rd Dose 20Nov2021, Lot FG3521 or 7. He later said it was a 7. Expiration is Unknown. Unknown arm. Even his primary does not know why this happened. His doctor had another case like his and they were perfectly healthy and after getting shot, he does not know which vaccine shot it was, he noticed his blood level was going down and next thing you know he was sick and hospitalized and then found it was COVID. Separate report completed for other patient. Outcome Shingles: still has it and still taking medications. Still kind of weak and thinks he still has COVID. Prior to Vaccinations within 4 weeks patient received flu vaccine also on 18Oct2022.