Initial report was received from a healthcare professional on 28 October 2011, and follow-up information received from a company representative on 31 October 2011. A 66-year-old female patient had received an Intramuscular (IM) injection of FLUZONE; lot number UH463AB, in left deltoid on 07 October 2011. On 09 October 2011, the patient developed skin sensitivity changes that began at the injection site; she also described feeling something crawling on her skin. Since, then over the past three weeks, the feeling has progressed to her back and chest. The patient does not have any rash, pain or any loss of motor function. Additionally, her sensory testing is normal. The patient used to have a gastrointestinal (GI) sensitivity to eggs years ago, however now she is able to eat eggs. The patient also had received the flu vaccine last year without problems. The physician did not seem surprised that we had not received any relevant reports. He reported that the patient can be anxious; although he mentioned that her reporting this event was not in proportion to the level of anxiety he knows her to have. The patient from speaking to friends and searching the internet was concerned about babesiosis and Guillain-Barre syndrome (GBS). The physician reiterated the information below, the patient's neuro exam was normal. It is unknown if the patient recovered per the physician; he last spoke to the patient on "Friday", but he plans to follow-up with her to explain that neither he or the company are aware of similar reports. No further information was available at the time of the report. The patient outcome was reported as not recovered/not resolved. Follow-up information was received from a healthcare professional on 17 February 2012. On 28 October 2012, the patient had a follow-up visit with her physician. No headache (HA), or visual change, feels a non-painful tingling sensation which comes and goes across her upper chest and back, back of her neck and into the right shoulder. No weakness or numbness. The patient also stated that her symptoms "it's a little less than it was and it has not moved any further". No new symptoms. The patient received corrective treatment with BENADRYL for any itching or to see if this is helpful. No obvious other treatment appears indicated at this time. The patient was advice to call her healthcare physician if any other symptoms arise. However, the patient is having thyroid issues "right now", unsure if some symptoms are related. Physical examination results for respiratory, cardiovascular, gastrointestinal, neuro/psychiatrist, dermatologic, immunology, vital signs, blood pressure, temperature and pulse were all within normal limits. The patient medical history included ganglion, hypothyroidism, tobacco abuse, osteoporosis, hyperlipidemia mixed degenerative joint disease (DJD), allergic rhinitis, anxiety, allergies to tetracycline hydrochloride (reaction unknown) and SULFA rash. Concomitant medications included SYNTHROID, naproxen, ATIVAN for anxiety, FEMRING, ZYRTEC, glucosamine sulfate and calcium with vitamin D. No further information was available at the time of this report. The patient outcome was reported as not recovered/not resolved. Follow-up information received from a healthcare professional on 23 April 2012. The patient outcome was reported as recovered on 16 November 2011. Documents held by sender: Medical records.