This is a spontaneous report received from a non-contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient. A female patient received BNT162b2 (BNT162B2), in Jan2022 as dose 3 (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose 1, Single), for COVID-19 Immunization, reaction(s): "Adverse event NOS"; Bnt162b2 (Dose 2, Single), for COVID-19 Immunization, reaction(s): "Adverse event NOS". The following information was reported: PAIN IN EXTREMITY (non-serious) with onset Jan2022, outcome "unknown", described as "Caller also mentioned her hands are so in pain or numb"; HYPOAESTHESIA (non-serious) with onset Jan2022, outcome "unknown", described as "She also mentioned problems in his hand hand feeling numb gradually after the third dose"; MYALGIA (non-serious), ARTHRALGIA (non-serious), PAIN (non-serious) all with onset Jan2022, outcome "unknown" and all described as "a lot of pain kind of like myalgia or arthralgia"; SLEEP DISORDER (non-serious) with onset Jan2022, outcome "unknown", described as "her sleep is disrupted because of pain"; GENERAL PHYSICAL HEALTH DETERIORATION (non-serious) with onset Jan2022, outcome "unknown", described as "life is not going on well"; FEELING ABNORMAL (non-serious) with onset Jan2022, outcome "unknown", described as "she felt like it crippled her and she described herself as a suffering person"; FATIGUE (non-serious) with onset Jan2022, outcome "unknown", described as "she had a lot of fatigue triggered by the third dose". Additional information: Patient who received the Pfizer COVID-19 Vaccine booster dose on January, and stated that the side effects she experienced were worse than when she took the first 2 doses. Caller wanted to know if there were more side effects being recorded in the booster dose than in the primary series. Caller described the side effects she wanted to know about as unusual, that she had to stop everything that she does, that she felt like it crippled her, and she described herself as a suffering person. She stated she had a lot of fatigue triggered by the third dose, a lot of pain kind of like myalgia or arthralgia. She also mentioned problems in his hand feeling numb gradually after the third dose. Caller also mentioned her hands are so in pain or numb, that sometimes she drops her phone and can't hold anything. She also mentioned her sleep is disrupted because of pain, that life is not going on well, because pain comes even if she's sitting or in a resting position. Caller also mentioned the problem with this side effect could be that the chemicals in the vaccine have not been studied enough for the body to receive them 3 or more times. She also mentioned going over the limit of this chemicals might be what causes side effects, which are unbearable, and it might be a bigger problem when another booster or the omicron based vaccine is required. She mentioned she didn't like stopping everything for getting the vaccine and that she's afraid to get next dose. She finally mentioned one of her doctors told her not to get the next dose. Caller mentioned the problem with this side effect could be that the chemicals in the vaccine have not been studied enough for the body to receive them 3 or more times. She also mentioned going over the limit of this chemicals might be what causes side effects, which are unbearable, and it might be a bigger problem when another booster or the omicron base vaccine is required. She then said that if she could think of that, Pfizer should too. No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.