Fever - 103 without medication, never below 100 with; Swollen and sore left lymph nodes; Swollen and sore left lymph nodes; Headache; dizzy; Nauseous; diarrhea; Is pregnant Yes / last menstrual date 17Aug2021; Dose Number: 3; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non-HCP). The reporter is the patient.  A 36-year-old female patient (pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 06Nov2021 13:00 (Batch/Lot number: unknown) at the age of 36 years as dose 3 (booster), single for covid-19 immunisation. The patient had no relevant medical history. Date of last menstrual period: 17Aug2021. The patient was 11 weeks pregnant at the time of exposure to bnt162b2. The patient was 11 weeks pregnant at the event onset. The patient is expected to deliver a baby(s) on 24May2022. The patient took concomitant medications. Vaccination history included: Bnt162b2 (product=COVID 19, dose brand=Pfizer, Dose Number: 2, dose brand unknown=False, Batch/Lot No: Unknown. , Location of injection: Arm Left, administration time=12:00 PM), administration date: 07May2021, when the patient was 36 years old, for COVID-19 immunisation; Bnt162b2 (product=COVID 19, dose brand=Pfizer, Dose Number: 1, dose brand unknown=False, Batch/Lot No: Unknown. , Location of injection: Leg Left, dose administration date=16Apr2021, Vaccine Administration Time: 12:00 PM), administration date: 16Apr2021, when the patient was 36 years old, for COVID-19 immunization, reaction(s): "Location of injection: Leg Left". The following information was reported: MATERNAL EXPOSURE DURING PREGNANCY (non-serious) with onset 06Nov2021 13:00, outcome "unknown", described as "Is pregnant Yes / last menstrual date 17Aug2021"; IMMUNISATION (non-serious) with onset 06Nov2021 13:00, outcome "unknown", described as "Dose Number: 3"; PYREXIA (non-serious) with onset 06Nov2021 20:00, outcome "not recovered", described as "Fever - 103 without medication, never below 100 with"; LYMPHADENOPATHY (non-serious), LYMPH NODE PAIN (non-serious) all with onset 06Nov2021 20:00, outcome "not recovered" and all described as "Swollen and sore left lymph nodes"; HEADACHE (non-serious) with onset 06Nov2021 20:00, outcome "not recovered", described as "Headache"; DIZZINESS (non-serious) with onset 06Nov2021 20:00, outcome "not recovered", described as "dizzy"; NAUSEA (non-serious) with onset 06Nov2021 20:00, outcome "not recovered", described as "Nauseous"; DIARRHOEA (non-serious) with onset 06Nov2021 20:00, outcome "not recovered", described as "diarrhea". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of pyrexia, lymphadenopathy, lymph node pain, headache, dizziness, nausea, diarrhoea.  Additional information. This case assessed as non-serious by the reporter. Patient had no known allergies. No hospitalization for the events. Facility where the most recent COVID-19 vaccine was administered at pharmacy or Drug Store. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. List of any other medications the patient received within 2 weeks of vaccination: Prenatal vitamins and vitamin. Patient not diagnosed with covid-19 prior to vaccination and since vaccination patient not tested for covid-19.  The lot number for bnt162b2 was not provided and will be requested during follow up.