Vomiting fainting took a nop as the day went on the pain on my R leg got worse; Vomiting fainting took a nop as the day went on the pain on my R leg got worse; vomiting fainting took a nop as the day went on the pain on my R leg got worse; Symptoms of fatigue; Pain on my R knee; Went to fever 102.2 then; Chills, into the entire night/Shivers and shakes; Headache; Into the morning could not walk on my R leg/Can not walk on either foot; Numbness to my face; Found a cyst on the back of my knee; Shivers and shakes; Damage to my ligaments; This is a spontaneous report from a contactable other HCP (patient). A 46-year-old female patient received second dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection), via intramuscular in the left arm on 04Feb2021 at single dose for covid-19 immunisation. The patient was not pregnant. The patient medical history was none, and concomitant medications were not reported. The patient was not sure about allergies. The Patient not received other vaccine in four weeks. Historical vaccine included first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Lot number: EL3249), via intramuscular Left arm on 14Jan2021 04:30 PM at single dose for COVID-19 immunization (at the age of 46-years). The patient stated, "on 12Feb2021 at 03:30 PM, (as reported: one week after the second dose) after the second dose of vaccination. I started having symptoms of fatigue, pain on my R knee, went to fever 102.2 then, chills, into the entire night, headache, into the morning could not walk on my R leg, numbness to my face, vomiting fainting took a nop as the day went on the pain on my R leg got worse. Went to the ER (emergency room) x ray and ultrasound was done, found a cyst on the back of my knee not sure if it was from the shivers and shakes caused damage to my ligaments, 2 hours later my right foot was in a lot of pain, two bumps onto of my L foot lots of pain went back to the ER on Sunday morning (14Feb2021), x ray was done only no broken bones foot was red turned purplish, this started Friday 12th (12Feb2021) and her Monday the 16th Tuesday missed work and still in a lot of pain cannot walk on either foot very far without my boot or crushes." No covid prior vaccination. The patient underwent lab tests and procedures which included post vaccination sars-cov-2 test Nasal Swab: negative on 23Dec2020; body temperature: 102.2 on an unknown date; ultrasound scan and X-ray: cyst on the back of my knee on 12Feb2021, x-ray: no broken bones foot on 14Feb2021. Took the following treatment measures, shot for pain, cortisone shot, naproxen 500. The adverse events resulted in doctor or other healthcare professional office/clinic visit/Emergency room/department or urgent care. The outcome of the events was not recovered.  Information on the lot/batch number has been requested.; Sender's Comments: Based on the temporal relation, the association between the event syncope and the vaccination with BNT162B2 cannot be completely ruled out.  The impact of this report on the benefit/risk profile of the Pfizer product is evaluated as part of Pfizer procedures for safety evaluation, including the review and analysis of aggregate data for adverse events. Any safety concern identified as part of this review, as well as any appropriate action in response, will be promptly notified to regulatory authorities, Ethics Committees, and Investigators, as appropriate.