Patient had cervical spine narrowing; Kidney infection; She also began to have difficulty walking; Patient had very bad neck pain; Weakness in the patient's tights; Muscular and joint pain all over the patient's body; She was experiencing flu-like symptoms; 'Pins and needles' sensation in the patient's hand and feet; Muscular and joint pain all over the patient's body; The right side of the patient's body went numb/ The left side of the patient's body went numb; This is a spontaneous case, reported by other non-health professional (consumer) via agency (reference number: SEQ19-06567), initially received on 12-Nov-2019, concerning a 50- year-old, female patient.  The patient's medical history included stroke and mild cerebral palsy.  In October 2018, the patient received Afluria Quadrivalent along with a pneumonia shot in the same arm, and shortly after vaccination developed "pin prickly sensation" in her spine, then her neck started to bother her. Patient also experienced achiness, flu-like symptoms and her arms were aching and bothering her for a couple of months, but adverse events eventually were resolved.  The patient's concomitant medications were not provided.  On 18-Sep-2019, the patient was administered Afluria Quadrivalent [influenza vaccine, dose: 0.5 ml, anatomical location: left deltoid, route of administration, batch number and expiry date: not reported] for protection against seasonal influenza.  On 24-Sep-2019, six days after vaccine administration, the right side of the patient's body went numb and twelve days after this event, the same happened to the left side of the body. The patient had difficulty in walking and experienced flu-like symptoms, muscular and joint pain all over her body, weakness in her thighs, and a "pins and needles" sensation in her hands and feet. The issues were worse at night-time.  On 18-Oct-2019, the patient went to the emergency room because of very bad neck pain.  On the same day, the patient was found to have low sodium levels and her body temperature was 101 degree F. She was also diagnosed with kidney infection.  On 21-Oct-2019, the patient visited a doctor. Her body temperature was normal. She performed influenza infection test and the result was negative. She also underwent Magnetic resonance imaging (MRI) and result showed cervical spine narrowing. The corrective treatment included good nutrition, not a lot of exercise and taking vitamin B12 from 12-Nov-2019.  At the time of this report, the patient was recovering from the events. Her issues were slowly improving.   This case was assessed as serious.  The reporter did not provide causality assessment.  The reporter did not give permission to be contacted.  This case was linked with 201906047(due to same patient).  Company Comment: The patient experienced kidney infection, gait disturbance, hypoaesthesia, neck pain, spinal osteoarthritis, muscular weakness, arthralgia, influenza like illness, paraesthesia and myalgia after vaccination with the suspect product Afluria Quadrivalent. Chronology is possible. Medical history of stroke and mild cerebral palsy may have contributed to development of the events.  No concomitant medications were provided. Considering all the above mentioned, causality between suspect products and the events is assessed as possibly related.; Sender's Comments: The patient experienced kidney infection, gait disturbance, hypoaesthesia, neck pain, spinal osteoarthritis, muscular weakness, arthralgia, influenza like illness, paraesthesia and myalgia after vaccination with the suspect product Afluria Quadrivalent. Chronology is possible. Medical history of stroke and mild cerebral palsy may have contributed to development of the events.  No concomitant medications were provided. Considering all the above mentioned, causality between suspect products and the events is assessed as possibly related.