just having a weird sensation in the left arm; his warm weak arm; he has in his left arm a little stinging sensation; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 57 year-old male patient received bnt162b2 (BNT162B2), administered in arm left, administration date 10May2021 08:20 (Lot number: EW0172) at the age of 57 years as dose 2, single for covid-19 immunisation. The patient had no relevant medical history. The patient's concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose: 1, Lot number: EW0169), administration date: 19Apr2021, for COVID-19 Immunization. The following information was reported: FEELING ABNORMAL (non-serious) with onset 10May2021, outcome "not recovered", described as "just having a weird sensation in the left arm"; MUSCULAR WEAKNESS (non-serious) with onset 10May2021, outcome "unknown", described as "his warm weak arm"; PAIN (non-serious) with onset 10May2021, outcome "not recovered", described as "he has in his left arm a little stinging sensation".  Additional Information: Patient called about the Pfizer COVID 19 vaccine. He reported some side effects. He just got the second shot today, about 30 minutes ago and he wants to report side effects on that one as well. Second dose he is just having a weird sensation in the left arm, he got it in the left, his warm weak arm and he thinks the second shot was worse than the first, he clarifies the second shot was worse in regard to hurting his arm, he clarifies when he said his weak arm he meant, his non-dominant arm so he would be able to write and function like holding a glass and eating. He doesn't have primary care, he just goes wherever. After the second dose, he has in his left arm a little stinging sensation, it is a weird sensation down his left arm as we speak. He said it was about the same right now, he just had the shot about 30 minutes ago and he had to sit and wait, so he sat there and then he moved on once his time was up. He has the second dose card with his but he does not have the first dose card. He does not have NDC or expiration date for second dose. Indication: So he doesn't get COVID 19, he clarifies well to help with fighting it and as a first responder it is mandatory. He clarifies, it is not mandatory but they want first responders to get it and he wanted to protect himself. Vaccine not administered at private Facility. No other history of all previous immunization with the Pfizer vaccine considered as suspect. No additional Vaccines Administered on Same Date of the Pfizer Suspect. No Emergency Room or Physician Office visit. No Prior Vaccinations (within 4 weeks). AE(s) following prior vaccinations not that he can think of was none. He got all his vaccines when he was younger like measles mumps, chicken pox. He said other than like a tetanus shot with a arm that was sore but that was expected. He says he would not have NDC lot expiration for any Tetanus vaccine that made his arm sore. He said that was 20 or 30-40 years ago when he was a teenager. Patient's Medical History (including any illness at time of vaccination), Family Medical History and relevant tests were none  No follow-up attempts are possible. No further information is expected.