Day 1-2 slight pain in injected area; 5 pound weight loss,; day 3-5 fine little cold but could be because it was a cold night.; Day 5-8 fatigue,; sleepy; weakness,; mind and body not in sync,dropped 3 things in 1 hours so I realized something is wrong.; I would hear myself with breath heavily; mind and body not in sync,dropped 3 things in 1 hours so I realized something is wrong.; horrible body pain from neck to shoulder; so bad that body would refuse to standup after sitting down for 30-45mins.; felt little arm soreness; On the fourth day she started feeling cold; she started being careless or does not have proper grasp on things; There was also a burning sensation on her eyes; This is a spontaneous report from a contactable consumer (patient herself). A 36-years-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, lot number and expiration date was not reported) via an unspecified route of administration, administered in Arm Left on 11May2021 15:00 (at the age of 36-years-old) as DOSE 1, SINGLE for COVID-19 immunization. No medical history and concomitant medications were not reported. Patient had not any known allergies and no other medical history. Patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine nor received any other medications within 2 weeks of vaccination. Prior to vaccination, the patient was not diagnosed with COVID-19. On an unspecified date in May2021 it was reported that, after the vaccination patient had experienced Day 1-2 slight pain in injected area, 5-pound weight loss, day 3-5 fine little cold but could be because it was a cold night. Day 5-8 fatigue, sleepy and weakness, mind and body not in sync, dropped 3 things in 1 hours so I realized something is wrong. Day 9-13 horrible body pain from neck to shoulder, so bad that body would refuse to standup after sitting down for 30-45mins. 2 days I was just sitting in car in parking lot because I did not have strength to walk back inside the home, day 14-17shortness of breath, I would hear myself with breath heavily. Weight gain or weight back to normal. Day 18-20 started feeling the recovery. It was reported that, she did not go to her scheduled second dose of the Pfizer COVID-19 vaccine today. She was scared to get the second dose as she stated that she still had side effects from her first dose (11May2021). These side effects since 3 weeks and that she heard from people that side effects may only lasts on a day or 2. On her first day she had no pain. On second day, she felt little arm soreness, by evening it was gone. On the fourth day she started feeling cold. Seventh night onwards she felt fatigue and does not feel like getting out of bed as she felt tired. In the middle of the day she started being careless or does not have proper grasp on things-weakness, fatigue, body pains (body pain feeling: when she got back home, did not feel like getting out of the car to her house as she still waits for 30-40 mins to gather energy), shortness of breath was experienced. Her weight fluctuated from 5-6 pounds and she thought that maybe it was her body's way of fight from it. People tell her she looked very week and dull. There was also a burning sensation on her eyes. All symptoms were gone by yesterday 31May2021 and felt better but the burning eyes feeling, fatigue, shortness of breath came back She said that she did not change anything from her lifestyle, no COVID infection history and that she was a healthy human. Patient did not receive any treatment for adverse event. She was supposed to take second dose today at 3PM. Her side effects were so bad that she did not want to take second dose. She would like to know where did she go to get assistance because she did not have insurance. She would like to speak with someone about her side effects to see if they could help her. Since the vaccination, patient has not been tested for COVID-19. The outcome of event burning sensation on her eyes, she started being careless or does not have proper grasp on things was unknown, fatigue and shortness of breath was resolving and all other events was resolved on 31May2021 except felt little arm soreness and on the fourth day she started feeling cold was resolved on an unspecified date in 2021.  Follow-up (19Jul2021): This follow-up is being submitted to notify that the lot/batch number is not available despite the follow-up attempts made. Follow-up attempts completed. No further information is expected.