Fever; Nausea; Vomiting; A little tired; Arm was sore; Booster dose of the Pfizer covid vaccine; Chills; Feeling cold; 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 74 year-old female patient received bnt162b2 (BNT162B2), administered in arm left, administration date 24Nov2021 14:00 (Lot number: FH8030) at the age of 74 years as dose 3 (booster), single for covid-19 immunisation. Relevant medical history included: "Arthritis" (unspecified if ongoing), notes: she is taking prednisone due to arthritis. Concomitant medication(s) included: PREDNISONE taken for arthritis; FLU VACCINE VII taken for immunisation, administration date 09Nov2021. Vaccination history included: Bnt162b2 (First dose: 25Feb2021, left upper arm, Lot: EN6203 Expiry: 30Jun2021. AE(s) following prior vaccinations:sore arm, tired), administration date: 25Feb2021, when the patient was 74 years old, for COVID-19 Immunization, reaction(s): "sore arm"; Bnt162b2 (Second dose: 18Mar2021, left upper arm, Lot: EN6207, Expiry: 31Jul2021.), administration date: 18Mar2021, when the patient was 74 years old, for COVID-19 Immunization, reaction(s): "tired"; Flu shot (she takes flu shots every year and no reactions to report), for Immunization, reaction(s): "no reactions". The following information was reported: IMMUNISATION (non-serious) with onset 24Nov2021 14:00, outcome "unknown", described as "Booster dose of the Pfizer covid vaccine"; PYREXIA (non-serious) with onset 01Dec2021, outcome "recovered" (02Dec2021), described as "Fever"; NAUSEA (non-serious) with onset 01Dec2021, outcome "recovered" (02Dec2021), described as "Nausea"; VOMITING (non-serious) with onset 01Dec2021, outcome "recovered" (02Dec2021), described as "Vomiting"; CHILLS (non-serious) with onset 2021, outcome "unknown", described as "Chills"; FEELING COLD (non-serious) with onset 2021, outcome "unknown", described as "Feeling cold"; FATIGUE (non-serious) with onset 25Nov2021, outcome "unknown", described as "A little tired"; PAIN IN EXTREMITY (non-serious) with onset 25Nov2021, outcome "unknown", described as "Arm was sore".  Additional information: Caller (female, age 74 years old) recently received her booster dose of the Pfizer covid vaccine. Patient came down with a little fever a week later which was now and nausea and vomiting. Patient did vomit. Now patient did not have a fever. Patient was feeling much better it was just a 1 day thing. Patient did not know if it's a virus or related to the vaccine. Patient thought the side effects come right away. With the previous 2 patient had no reactions. Patient inquired was it normal to get side effects a week later, Did she get covid even though she had it before, Should she get tested. Response: Spoke from EUA PI under section: 6.1 Clinical Trials Experience Table 8 regarding Booster side effects. Also referred caller to HCP if she wanted to get tested or to get clinical recommendations. No Investigation Assessment was reported. With held from with held with the warm transfer of a caller reporting on the Pfizer Covid vaccine booster and who mentions that a week later after the booster she had a little fever, nausea, and vomiting. With the first 2 shots she didn't have any reaction. Patient clarified she got the booster last Wednesday afternoon and got nausea this Wednesday, so it was 8 days later. Patient was not sure if it was a reaction or something else. Caller explains she is taking several medication but nothing has changed in the last few months. It was very unusual for her to vomit, this is why she called. She is not sure if it was a reaction or a virus. She was thinking of going to get a Covid test. The events only lasted a one day, she was much better today. She checked her temperature and has no fever now and had no fever yesterday. She only vomited the one time, on Wednesday 01Nov2021. Treatment: She had chills with the fever and feeling cold so she went to bed. It was noted that the day after the booster shot she was a little tired and her arm was sore, the soreness lasted a few days but it was not even as sore as before with the other shots though that might have been because she is taking prednisone due to arthritis. Caller reported she takes flu shots every year and no reactions to report. No history of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available). No additional Vaccines Administered on Same Date of the Pfizer. AE(s) did not require a visit to Emergency room or Physician Office. AE(s) following prior vaccinations: sore arm, tired. Patient had medical History (including any illness at time of vaccination). No relevant tests was done.  No follow-up attempts are possible. No further information is expected.