Tachycardia; Inguinal hernia left testicule; Maternal exposure during pregnancy, third trimester; This is a spontaneous report from a contactable consumer (patient's mother). This consumer reported information for both mother and baby. This is a baby report.  A 3-month-old male patient received the first dose of BNT162B2 (PFIZER COVID-19 VACCINE, lot number: EL9269) on 17Feb2021 and the second dose of BNT162B2 (lot number: EN6200) on 11Mar2021, via transplacental at single dose for COVID-19 immunisation. The patient medical history was not reported. The patient's mother medical history included gestational diabetes, hypertension, self-carrier for cerebral palsy (the patient's father negative). The patient's mother did not smoke, drink alcohol and use illicit drugs during this pregnancy. Concomitant medications included metformin taken for gestational diabetes at 750 mg once daily, loratadine (CLARITINE) (reported as claratin) at 10 mg once daily, bupropion hydrochloride (WELLBUTRIN) restarted in Feb2021 at 150 mg once daily, escitalopram oxalate (EXIPRO) at 20 mg once daily, omeprazole at 20 mg once daily, ritval pre natal, paracetamol (TYLENOL) as needed. The patient's mother heighted 172 cm (also reported as 5 feet 8 inches) and weighted 146 kgs (also reported as 323 lbs). It was reported that the patient's mother first day of last menstrual period was 07Aug2020, estimated date of conception was 26Aug2020-28Aug2020, estimated Delivery date: 14May2021 and gestational period at time of initial exposure was 27 weeks 6 days. The patient's mother previous pregnancies were reported as 2 and other children was 1. Outcome of the patient's mother previous pregnancies was reported as elective termination and live birth C-section, no problems during deliver. The patient's mother had gestational diabetes/hypertension delivery by c section at 37 weeks before delivery. The patient's mother had nicu for tachycardia after delivery. The mode of delivery was caesarean section at 37 weeks. The male baby was delivered full-term. The baby weighed 7lbs 1oz and length 18 in at birth. Full time live birth. Date of outcome of pregnancy was 23Apr2021. Gestation age at birth in weeks was 37 weeks. The head circumference at birth was unknown. No malformation/anomalies diagnosed. No developmental assessment. The patient experienced tachycardia on Apr2021, treated for 3 days in NICU, and inguinal hernia left testicle. No breastfeeding. The outcome of events was unknown.  Additional information was reported as: The patient's father was 42 years old. Date of birth was 21Oct1978. The patient's father was not a carrier of cerebral palsy (reported as cerbal palsy). The patient's father did not smoke and use illicit drugs during the mother's pregnancy. The patient's father drank alcohol twice monthly during the mother's pregnancy. The patient took escitalopram oxalate (LEXAPRO), clonazepam, aripiprazole (ABILIFY), topiramate (reported as toparamate), vivance, cardevolol, semaglutide (OZEMPIC), omeprazole (PRILOSEC) (reported as pritosec), alprazolam (XANAX). The patient's father had recreational drug use.  No follow-up attempts are possible. No further information is expected.; Sender's Comments: Linked Report(s) : PFIZER INC-2021209231 Maternal case