I got the first one on 17Apr2021 and the second one on 21Apr2021.; I got the first one on 17Apr2021 and the second one on 21Apr2021.; Injection site pain; Very tired; Headache; Chills; Swelling at the injection site; Feeling unwell; Lymph node pain; From the lymph nodes it was like shooting pain into breast; This is a spontaneous report from a contactable consumer (patient). A 71-year-old female patient received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number: ER8737), via an unspecified route of administration in left arm on 21Apr2021 at single dose for COVID-19 immunization. Patient previously received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection, Lot number: ER2613), via an unspecified route of administration on 17Apr2021at single dose for COVID-19 immunization. Medical history included atrial fibrillation (from: 2007), breast Cancer. Concomitant medications included hydrochlorothiazide, losartan potassium (LOSARTAN + HIDROCLOROTIAZIDA), rivaroxaban (XARELTO), oral flecainide acetate 100 mg tablet, twice a day for atrial fibrillation. On 22Apr2021, patient stated, well, of course the injection site pain, I was very tired, headache, chills, injection swelling (clarified as swelling at the site of injection), felling unwell and I developed the lymph nodes (clarified as lymph node pain) but from the lymph nodes it was like shooting pain into breast. So, I merely went to the doctor on Monday and he said it was mainly the lymph node that was causing the issue and that my breast was okay because I had cancer that they cut out. So, I was a little concerned." Patient stated am just reading over and it says you should report side effects which you have from Pfizer vaccine. When clarified if the patient wants to report the side effects with Covid vaccine, consumer stated as yes. patient stated, yeah, I was having pain at the breast but not now. When probed for mailing address and telephone no. of the facility, patient stated, I do not know the address. I do not know that (phone) either. When probed if expiry date is mentioned on the card, patient stated no. Patient stated, the only number that is here is my patient number, that is it. When probed if the vaccine was provided by the facility, consumer stated, I picked it. When probed for the name of the pharmacy, patient stated, I did not go to a pharmacy, I went to Makem park. Well, I filled out an application to get the shot and they had the different shots and you get to pick whatever you wanted. Patient stated, I have AFeb to begin with. So far I am not having any atrophy. Yes, I have heart issues. AFeb (Atrial fibrillation). When probe if the consumer is taking any medication for that, patient stated, I will give you the name of the new medication that they put me on for AFib, it is Flecainide Acetate 100 mg tablet, twice a day, orally. Patient stated, had blood test. When probed for the date and result of blood test, patient stated, I do not know, I am not sure. When probed for the results of the blood test, patient stated, Nope, I do not. Patient stated, No, just the lymph and they are swollen. Patient further stated, I put ice on as treatment. The outcome of the events was unknown.  No follow-up attempts are needed; information about lot/batch number cannot be obtained.