Uncontrollable tremors/rigors for three hours; Severe chills, teeth chattering, inability to get warm; 102 fever; Severe headache; swellling and pain in occipital lymph nodes/swollen and incredibly painful lymph node in the left arm pit; swellling and pain in occipital lymph nodes/incredibly painful lymph node in the left arm pit; Dose 1 administered on 17Aug2021 and Dose 2 administered on 31Aug2021; This is a spontaneous report received from a non-contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 26 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 31Aug2021 13:00 (Batch/Lot number: unknown) at the age of 26 years as dose 2, single for covid-19 immunisation. Relevant medical history included: "Postural orthostatic tachycardia syndrome" (unspecified if ongoing). There were no concomitant medications. Vaccination history included: Bnt162b2 (1st dose, administration time=01:00 PM, vaccine location=Left arm), administration date: 17Aug2021, when the patient was 26 years old, for Covid-19 Immunization, reaction(s): "swollen and incredibly painful lymph node in the left arm pit.", "swollen and incredibly painful lymph node in the left arm pit.". The following information was reported: INAPPROPRIATE SCHEDULE OF PRODUCT ADMINISTRATION (non-serious) with onset 31Aug2021 13:00, outcome "unknown", described as "Dose 1 administered on 17Aug2021 and Dose 2 administered on 31Aug2021"; TREMOR (non-serious) with onset 01Sep2021 02:00, outcome "recovering", described as "Uncontrollable tremors/rigors for three hours"; CHILLS (non-serious) with onset 01Sep2021 02:00, outcome "recovering", described as "Severe chills, teeth chattering, inability to get warm"; PYREXIA (non-serious) with onset 01Sep2021 02:00, outcome "recovering", described as "102 fever"; HEADACHE (non-serious) with onset 01Sep2021 02:00, outcome "recovering", described as "Severe headache"; LYMPHADENOPATHY (non-serious) with onset 01Sep2021 02:00, outcome "recovering", described as "swellling and pain in occipital lymph nodes/swollen and incredibly painful lymph node in the left arm pit"; LYMPH NODE PAIN (non-serious) with onset 01Sep2021 02:00, outcome "recovering", described as "swellling and pain in occipital lymph nodes/incredibly painful lymph node in the left arm pit". Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were not taken as a result of tremor, chills, pyrexia, headache, lymphadenopathy, lymph node pain.  Additional Information: Facility where the most recent COVID-19 vaccine was administered was Pharmacy or Drug Store. Did the patient receive any other vaccines within 4 weeks prior to the COVID vaccine was No. List of any other medications the patient received within 2 weeks of vaccination was No Reported Event: Uncontrollable tremors/rigors for three hours straight followed by 102 fever that lasted several hours. Severe chills, teeth chattering, inability to get warm. (Sudden rigors onset was 12 hours post-vaccination). Severe headache following rigors. Within a few hours of shot, swollen and incredibly painful lymph node in the left arm pit. (Lasted over a week after the first dose, unsure how long it will persist this time.) swelling and pain in occipital lymph nodes. adverse event start date was 01Sep2021, adverse event start time was 02:00 AM. ae resulted in None of the above. Prior to vaccination, was the patient diagnosed with COVID-19 was No. Since the vaccination, has the patient been tested for COVID-19 was No. No Known allergies.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.