chills so bad that no one could not her touch skin; sweats; Chest congestion; severe headaches; Chest pain; not able to make it to the bathroom; Pfizer Covid-19 Booster dose; sick; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the patient.  A 47 year-old female patient received bnt162b2 (BNT162B2), administered in arm right, administration date 20Dec2021 (Lot number: FL3197) at the age of 47 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "allergies" (ongoing), notes: she had been diagnosed since a kid. The patient took concomitant medications. Vaccination history included: Covid-19 vaccine (first dose with a lot of EW0158. Stated that it was 0.3ml via fatty tissue to the left arm., Manufacture unknown), administration date: 07Apr2021, when the patient was 46 years old, for Covid-19 immunization; Covid-19 vaccine (second dose with a lot of EW0172. Stated that it was 0.3ml via fatty tissue to the right arm., Manufacture unknown), administration date: 28Apr2021, when the patient was 46 years old, for Covid-19 immunization. The following information was reported: IMMUNISATION (medically significant) with onset 20Dec2021, outcome "unknown", described as "Pfizer Covid-19 Booster dose"; CHILLS (medically significant) with onset 21Dec2021, outcome "recovered" (25Dec2021), described as "chills so bad that no one could not her touch skin"; HYPERHIDROSIS (medically significant) with onset 21Dec2021, outcome "recovered" (25Dec2021), described as "sweats"; RESPIRATORY TRACT CONGESTION (medically significant) with onset 21Dec2021, outcome "recovering", described as "Chest congestion"; HEADACHE (non-serious) with onset 21Dec2021, outcome "recovered" (27Dec2021), described as "severe headaches"; CHEST PAIN (non-serious) with onset 21Dec2021, outcome "recovering", described as "Chest pain"; MOVEMENT DISORDER (non-serious) with onset 21Dec2021, outcome "recovered" (26Dec2021), described as "not able to make it to the bathroom"; ILLNESS (non-serious) with onset Dec2021, outcome "not recovered", described as "sick". The events "chills so bad that no one could not her touch skin", "sweats", "chest congestion", "severe headaches", "chest pain", "not able to make it to the bathroom" and "sick" were evaluated at the emergency room visit. Therapeutic measures were taken as a result of chills, hyperhidrosis, respiratory tract congestion, headache, chest pain.  Clinical course: Patient received other Products as Immunotherapy shot, Dates for Concomitant Products Immunotherapy shot: (Start: May2019 Stop: Ongoing). Why was the patient taking Concomitant Products Immunotherapy shot (Verbatim): allergies, Dosage text: shot to fatty part of upper arm alternate arms weekly on Mondays. Additional Information for Other Conditions: Stated that she had been diagnosed since a kid. Pfizer Medical Information has a patient reporting an adverse event after her booster dose of Pfizer Covid 19 on 20Dec. Treatment: Stated that she had a steroid injection for chills were so bad that no one could not touch her skin and sweats. Stated that she had migraine medication for the sever headaches. Stated that she has been taking Albuterol nebulizer, Advair, cough suppressant and Hall's for chest congestion. Stated that she took pain medicine, steroid and Advair for the chest pain.  No follow-up attempts are possible. No further information is expected.