pain in the front side of left armpit, the part that connects to chest; pain in the front side of left armpit, the part that connects to chest and it felt swollen. It lasted 2-3 days and came back; A small red patch next to the injection site; Became extremely tired/ I was very tired for the next 2 or 3 days/ Feeling fatigue; lost a lot of strength, especially in arms. It took significantly more energy than usual to lift up arms; Became a little hard to breathe; Had a really sore arm/It was painful to raise that arm above the shoulder/Every time left upper arm touches torso, it hurts; briefly felt tension/stress in the heart; Within 15 minutes of the vaccination, Patient felt something traveling first to left arm where patient received the vaccine, then to the chest then to right arm then to the torso; This is a spontaneous report from a non-contactable consumer, the patient. A 30-year-old non-pregnant female patient received the first dose of BNT162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Lot Number: ER8731) via an unspecified route of administration in the left arm on 21Apr2021, at 19:00 (at the age of 30-years-old) as a single dose for COVID-19 immunisation. Medical history included sclerosis, and known allergies to pollen, pitted fruit, almond, hazelnut, peanut, carrot, concentrated soy, dust mite, chemicals excipient polyethylene glycol (PEG). The patient did not receive any medications within two weeks of vaccination. The patient did not receive any other vaccines within four weeks prior to the vaccination. Prior to the vaccination, the patient was not diagnosed with COVID-19. On 21Apr2021 within 15 minutes of the vaccination, the patient felt something moved first to left arm where patient received the vaccine, then to the chest, right arm and to the torso, became extremely tired, lost a lot of strength, especially in arms. It took significantly more energy than usual to lift up arms, became a little hard to breathe (as the patient had three masks on for precaution, so took off one) then patient briefly felt tension/stress in the heart. These symptoms went away in less than 30 minutes. The patient had a really sore arm, which lasted a few days. It was painful to raise that arm above the shoulder for three days or so, afterwards the patient was very tired for the next 2 or 3 days. On 30Apr2021 (reported as 29Apr2021) at 04:30, 9 days after the injection, the patient woke up in middle of the night with pain in the front side of left armpit, the part that connects to chest and it felt swollen. It lasted 2-3 days and came back. A small red patch next to the injection site. Every time while the left upper arm touches torso, it hurts and feeling fatigue. The events did not result in doctor or other healthcare professional office/clinic visit, emergency room/department or urgent care. Therapeutic measures were not taken as a result of the event. Since the vaccination, the patient had not been tested for COVID-19. The clinical outcome of the events something moved first to left arm where patient received the vaccine, then to the chest, right arm and to the torso, became extremely tired, lost a lot of strength, especially in arms, took significantly more energy than usual to lift up arms, became a little hard to breathe (as the patient had three masks on for precaution, so took off one), briefly felt tension/stress in the heart was resolved on 21Apr2021 in less than 30 minutes. The clinical outcome of the events really sore arm, it was painful to raise that arm above the shoulder, tired, pain in the front side of left armpit, the part that connects to chest, it felt swollen, a small red patch next to the injection site, every time while the left upper arm touches torso, it hurts and feeling fatigue was recovering at the time of this report.  No follow-up attempts are possible. No further information is expected.