I had a little bit of pain once in a while at the site of injection; I have severe shoulder pain, severe means severe shoulder pain radiating to the arm and sometimes to the neck; left shoulder pain where I had the injection and neck pain and it was lasting for 2 weeks; I have pain sometimes in the right shoulder also, on and off and in the neck; I had the injection, both the Flu as well as COVID booster; gave me the injections, both the injections in the same hand, intramuscular; I had the injection, both the Flu as well as COVID booster; gave me the injections, both the injections in the same hand, intramuscular; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non-HCP). The reporter is the patient.  A 90-year-old patient received BNT162b2, BNT162b2 omi ba.4-5 (BNT162B2, BNT162B2 OMI BA.4-5), in Nov2022 as dose 5 (booster), single (Batch/Lot number: unknown) intramuscular for covid-19 immunisation; influenza vaccine (FLU [INFLUENZA VACCINE]), in Nov2022 as dose number unknown, single (Batch/Lot number: unknown) intramuscular for immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose 1, single), for COVID-19 Immunization; Bnt162b2 (Dose 2, single), for COVID-19 Immunization; Bnt162b2 (Dose 3, single), for COVID-19 Immunization; Bnt162b2 (Dose 4, single), for COVID-19 Immunization. The following information was reported: OFF LABEL USE (non-serious), PRODUCT USE ISSUE (non-serious) all with onset Nov2022, outcome "unknown" and all described as "I had the injection, both the Flu as well as COVID booster; gave me the injections, both the injections in the same hand, intramuscular"; VACCINATION SITE PAIN (non-serious), outcome "unknown", described as "I had a little bit of pain once in a while at the site of injection"; ARTHRALGIA (non-serious), outcome "unknown", described as "I have severe shoulder pain, severe means severe shoulder pain radiating to the arm and sometimes to the neck; left shoulder pain where I had the injection and neck pain and it was lasting for 2 weeks"; NECK PAIN (non-serious), outcome "unknown", described as "I have pain sometimes in the right shoulder also, on and off and in the neck".  Additional information: Patient stated, patient had 4 injections of Pfizer and had the booster dose also. Booster dose was the fifth one, right, for Pfizer COVID. Patient was okay. Two months back, patient had the injection, both the Flu (Further not clarified, hence captured as Unspecified Flu Shot) as well as COVID booster. He gave me the injections, both the injections in the same hand, intramuscular. Patient was okay when got the injection. Patient had a little bit of pain once in a while at the site of injection. Now after 2 months, Patient had severe shoulder pain, severe means severe shoulder pain radiating to the arm and sometimes to the neck and had it in left shoulder then. Patient was 90 years old. Patient had no significant medical problems. Physically was okay. Now after 2 months, had severe shoulder pain, left shoulder pain where patient had the injection and neck pain and it was lasting for 2 weeks and now having pain sometimes in the right shoulder also, on and off and in the neck.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.