Then underneath on the armpit of the same arm, right arm, part of the armpit is swollen; Then underneath on the armpit of the same arm, right arm, part of the armpit is swollen; A little bit of a headache; Swollen lymph nodes; It was still tender; Was not feeling well; Tiredness; Slight muscle pain; Felt like had a fever; Had chills and was cold all day; The injection site is swollen and still hurts to touch and is red around it; The injection site is swollen and still hurts to touch and is red around it; The injection site is swollen and still hurts to touch and is red around it; This is a spontaneous report received from a contactable consumer (Patient). A 45-year-old female patient received second dose of bnt162b2 (PFIZER-BIONTEC COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot Number: Unknown), via an unspecified route of administration at the top of shoulder on the side, on 11May2021 at 09:00 or 09:30 more or less (age at vaccination: 45 years) as a dose 2, single for COVID-19 immunisation. The patient medical history and concomitant medications were not reported. The patient previously received first dose of bnt162b2 (PFIZER-BIONTEC COVID-19 mRNA VACCINE, Solution for injection, Batch/Lot Number: Unknown), via an unspecified route of administration, on an unspecified date, as dose 1, single for COVID-19 immunisation. It was reported that after receiving the second dose of vaccine patient got some of the side effects and the patient was worried about one of them. The patient stated that she did not know how long it will take to go away or if it will go away. On 11May2021, couple hours after patient received the second dose the patient experience the injection site is swollen and still hurts to touch and is red around it. It was reported that the patient received the second dose of Pfizer BioNTech Covid 19 Vaccine on the top of shoulder on the side, that part was swollen and red around the injection site. The patient also reported that, then underneath on the armpit of the same arm, right arm, part of the armpit is swollen and then on the same arm under where the patient armpit was there was, the patient did not know how to describe the part that was swollen. The caller read swollen lymph nodes. The patient stated that she did not know if it was the lymph nodes in there. The patient stated that it hurts to touch and was sensitive to the touch. The patient stated that she was concerned about inflammation in armpit. The patient also stated that it hurts when she folds her arms and when down normally doing stuff it just hurts. The patient stated that it was still tender. Reportedly the patient noticed it this morning, and the patient did not know if it was there before, just noticed it this morning. Reportedly the patient clarifies that she knows it was not there prior to receiving the second dose Pfizer BioNTech Covid 19 Vaccine. The patient stated that she did not know if it was there before yesterday, but it was not there before receiving the second dose Pfizer BioNTech Covid 19 Vaccine. The patient noticed it this morning when she was going to put on deodorant. On 12May2021 (yesterday), the patient was not feeling well, she had tiredness, a little bit of a headache, slight muscle pain and felt like she had a fever. The patient states she did not have a fever but just felt her body was unwell. On 12may2021 yesterday the patient had chills and was cold all day. It was reported that the patient was calling to see if there was anything she can do or should the patient be worried. The outcome of the events was reported as Unknown.  No follow-up attempts are needed, information about lot/batch number cannot be obtained.