Tuesday patient had mild stinging in the upper thigh all day and in her shoulder, left arm; stinging burning pain all day in the entire leg; burning, in areas of the left leg; sharp pain in left lower part of the knee and in her left arm muscle in the upper arm those were short; sharp pain in left lower part of the knee and in her left arm muscle in the upper arm those were short; warm heat flash that hit the left thigh muscle, it was like a fire ball in there that radiated out, stinging pain, off and on for the rest of day; warm heat flash that hit the left thigh muscle, it was like a fire ball in there that radiated out, stinging pain, off and on for the rest of day; warm heat flash that hit the left thigh muscle, it was like a fire ball in there that radiated out, stinging pain, off and on for the rest of day/mild stinging; warm heat flash/ hot flashes; Her calf, foot, and thigh, it's more like a dull ache/ has the dull aching on the calf, foot, and thigh of the left leg; Her calf, foot, and thigh, it's more like a dull ache/ has the dull aching on the calf, foot, and thigh of the left leg; Her calf, foot, and thigh, it's more like a dull ache/ has the dull aching on the calf, foot, and thigh of the left leg; Pain injection site/ the injection site was extremely sore; thumb and middle finger on the right arm went numb/ numbness of right thumb and middle finger; thumb and middle finger on the right arm went numb/ numbness of right thumb and middle finger; The initial was missing the following minimum criteria: No adverse effect. Upon receipt of follow-up information on 12Feb2021 this case now contains all required information to be considered valid.   This is a follow-up spontaneous report from a contactable consumer (patient). A 76-Year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection, Batch/Lot Number: EL3248; Expiration Date: Apr2021, NDC number: not provided), via an unspecified route of administration, administered in right arm on 30Jan2021 (Age at time of vaccination: 76 years) as DOSE 1, SINGLE for covid-19 immunisation. Medical history included severe sinus infection from an unknown date and unknown if ongoing, caller adds that right before Christmas, she had a severe sinus infection. Concomitant medication included simvastatin taken daily for an unspecified indication, start and stop date were not reported. The patient has no vaccines on the same day as her first dose, and she had no vaccines in the 4 weeks period prior. The patient had a Flu Vaccine back on an unspecified date in Oct2020. The patient states that she was calling about the Covid Vaccine, that due to reaction that patient has had as a result of covid vaccine first dose, patient wants to know if it still okay to get the second. The patient states that she got the vaccine on 30Jan2021 in the morning, then 4 hours later the injection site was extremely sore but she had no rash, no redness, and no swelling, then an hour later the thumb and middle finger on the right arm went numb and that lasted an hour, that was all on 30Jan2021. Everything was fine then on 02Feb2021, Tuesday afternoon the patient had sudden warm heat flash that hit the left thigh muscle, it was like a fire ball in there that radiated out, stinging pain, off and on for the rest of day. On 03Feb2021, Wednesday patient had the same thing it was hot flashes and stinging throughout day that radiated all down leg into foot, like when a leg feel like when the leg falls asleep. On 04Feb2021, Thursday patient went to the doctor. The doctor did testing. The doctor did an Ultrasound to rule out that it's not a blood clot. They did a blood work up and eliminated most suspect diagnoses of this possibly being a Vitamin B12 or thyroid thing but nothing showed up. By Thursday her symptoms were mild instead of severe. On 05Feb2021, Friday patient had mild stinging, none of those heat spots. On 06Feb2021, Saturday patient had stinging and the heat flashes instead of hot it was warm in the left thigh only. On 07Feb2021, Sunday there was no pain. On 08Feb2021, Monday patient experienced stinging burning pain all day in the entire leg, it felt like patient was stung by a thousand bees, patient developed a sharp pain in left lower part of the knee and in her left arm muscle in the upper arm those were short, it only lasted a couple hours. On 09Feb2021, Tuesday patient had mild stinging in the upper thigh all day and in her shoulder, left arm. On 10Feb2021, Wednesday patient went back to the doctor and did more tests to rule out a pinched nerve. They said they have no idea if this was effect of the covid vaccine since all the symptoms are so varied and there was no chart for them to look to rule it out. On Wednesday patient had mild stinging in the morning and it went away. On 11Feb2021, yesterday it was only in the calf left side. On 12Feb2021, today it has been intermittent in her calf, foot, and thigh, it's more like a dull ache. The patient states that she has taken no medication, what so ever, since she read in multiple areas that experiencing side effect are good as it means the body was making antibodies, so patient has not taken Tylenol. The patient will be 77 in the next month, she found the chart of clinical trials and people over 55 first dose had 13.9 % side effects and second dose 28% side effects. The patient states that her second dose was schedule a week from tomorrow. If the pain continues should the patient delay it a couple weeks. Will patient be able to get the second dose. The patient confirms that the First Dose was on 30Jan2021, the first big reaction started 02Feb2021 with the hot flash that started and kept going on. Her fingers numb was just that one time on 30Jan2021. Facility of vaccine administration was not a military facility. The patient adds that she got her shot in building light hall. At the moment, the patient only has the dull aching on the calf, foot, and thigh of the left leg. They did a urinalysis and it was normal. The doctor checked her pinched nerve by doing an assessment. The patient adds that she has had a pinched nerve during her senior year in college but what she is feeling now is nothing like that of when she was in college. If this does not let up, the patient was schedule for a neurological test in that leg. The patient clarifies that the Date of the doctor appointments. The first one was where they did the Ultrasound and Blood work on 04Feb2021. They did the assessment for the nerve endings and pinched nerves on 10Feb2021. The patient was queried if she had a positive covid or covid antibody test prior to the first dose. She states that patient had an antibody test at before thanksgiving, it was a finger prick test at both tests were negative. The patient adds that right before Christmas she had a severe sinus infection and she knows that can be a symptom of covid sometimes covid and so she waited to get antibody test. Both times it was an Antibody test. The patient clarified that the first antibody test was in Nov2020, it was negative, and the second was in Jan2021, 3 weeks ago, a week before her first dose, it was also negative. Outcome of the event muscle burning sensation was not recovered and remaining events were unknown.  Follow-up attempts completed. No further information expected.