she had chills that night; weakness; had to hold on to things; wonky feeling; didn't sleep very well; had tiredness at night; This is a spontaneous report from a contactable nurse (patient). A 66-years-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, solution for injection, Batch/Lot Number: EN6200), via intramuscular route of administration, administrated in upper left arm on 18Feb2021 10:00 (age at the time of vaccination 66-years-old), as a single dose for COVID-19 immunization. The patient's medical history included CCL (Chronic lymphocytic leukaemia) from a couple of years, MS (Multiple sclerosis) from 1996, Bladder incontinence from a few years, Hip replacement from last couple of years, mentions she has to take antibiotics before any dental work due to hip, had Allergy to trospium chloride, Oxybutynin, Nickel on the skin or bandages that are not latex, myrbetriq, and Restless legs, and Adds sulfa gives her hives. The patient's concomitant medications included Rituximab as an infusion by intravenous twice yearly two weeks apart from an unspecified date to ongoing for CLL; Toviaz as a 4mg take once daily by mouth from an unspecified date to ongoing for Indication Bladder incontinence, it made a night and day difference, she went from no control to control over her bladder; Baclofen as a 10mg take one half twice daily from an unspecified date to ongoing for Restless legs; Bupropion as a 150mg take once daily by mouth from an unspecified date to ongoing; vitamin C as a 1000 present daily value, take eleven capsules once daily from an unspecified date to ongoing; vitamin E as a 1000IU, take twice daily by mouth from an unspecified date to ongoing for helps with memory; Milk Thistle as a 300mg take twice daily by mouth from an unspecified date to ongoing for liver health (Not Coded); stinging nettles as a 480mg take one twice daily by mouth from an unspecified date to ongoing for kidney health (Not Coded); and probiotic take once daily by mouth from an unspecified date to ongoing for good for colon (Not Coded). The patient previously received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, solution for injection, Batch/Lot Number: EL3246), via an unspecified route of administration, administrated in Upper Left Arm on 28Jan2021 10:00 (age at the time of vaccination 66-years-old), as a single dose for COVID-19 immunization and patient experienced sore arm, injection site pain, bladder incontinence, Chills, Weakness, Tiredness, wonky feeling, Joint pain, fast heart beat, didn't sleep very well, and Felt like a zombie. No Prior Vaccinations (within 4 weeks). On 18Feb2021, the patient experienced she had chills that night, weakness, had to hold on to things, wonky feeling, didn't sleep very well, and had tiredness at night. Patient has not gone to the emergency room or seen a doctor for any of her side effects and reported no treatment. The outcome of the event chill recovered on 17Aug2021; and event didn't sleep very well was recovered on 18Aug2021; and events weakness, had to hold on to things were unknown; and events wonky feeling, had tiredness at night were recovering.  Follow-Up (31Aug2021): Follow-up attempts are completed. No further information is expected.