I got pain; I had pain in my back; He can't talk maybe due to the vaccine/ Something happened with my pronunciation something like trouble to speak; My pronunciation is troubled; Headache; Little bit pain in my ear; I got sick; I got sick from the vaccine and that affected my health and mind; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) for a Pfizer sponsored program. The reporter is the patient.  A male patient received bnt162b2 (BNT162B2) (Batch/Lot number: unknown) as dose 1, single for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. The following information was reported: BACK PAIN (non-serious), outcome "unknown", described as "I got pain; I had pain in my back"; SPEECH DISORDER (non-serious), outcome "unknown", described as "He can't talk maybe due to the vaccine/ Something happened with my pronunciation something like trouble to speak; My pronunciation is troubled"; HEADACHE (non-serious), outcome "unknown", described as "Headache"; EAR PAIN (non-serious), outcome "unknown", described as "Little bit pain in my ear"; ILLNESS (non-serious), outcome "unknown", described as "I got sick; I got sick from the vaccine and that affected my health and mind". The events "i got pain; i had pain in my back", "he can't talk maybe due to the vaccine/ something happened with my pronunciation something like trouble to speak; my pronunciation is troubled", "headache", "little bit pain in my ear" and "i got sick; i got sick from the vaccine and that affected my health and mind" were evaluated at the emergency room visit. Therapeutic measures were not taken as a result of back pain.  Additional information: It was reported that he took the first dose on 29th and now, he does not have any schedule for the second dose. He also mentioned that he experienced back pain or pain two days later after taking the first dose and he went to the emergency room the third day after getting the first dose. Also, he told them at emergency room about his situation, but no one was able to help him as he can't talk maybe due to the vaccine. It was like he can talk but everyone in emergency room were not able to comprehend what he was saying. (Vaccine name not clarified, hence suspect captured as Unspecified Vaccine and is this a Pfizer product tab left Checked-Yes) .Consumer stated, He went to get the shot on 29Mar2021 but on his card what they wrote was 30Mar2021 that means they wrote the wrong date. Consumer further stated, this was his first dose and two days later, he got pain. So, two days ago, he went to emergency room so last night and this morning, he had headache and got little bit pain in his ear, and something happened with his pronunciation something like trouble to speak. So, he got sick and started something that affects his mind and health. Consumer further stated, When he went to the emergency room, he had pain in back, they did not give him any medicine yet. They tell me that something is wrong, but they did not talk to me. He had to go to my clinic to see his  doctor but did not go to doctor yet. So, until yesterday and this morning, He explaining feeling a headache and pronunciation is still troubled. So, he did not know but  would like to ask you as he got sick from the vaccine and that affected his health and mind, whether he should go for the second shot or not. Consumer further stated, Which number? I trust the Pfizer vaccine but my situation that I got some problem, so can I take the second shot? How long can I wait? (Vaccine name not clarified, hence suspect captured as Unspecified Vaccine and is this a Pfizer product tab left Checked-Yes).  No follow-up attempts are possible. No further information is expected.