discomfort in her chest vs the burning/ chest discomfort; discomfort in her chest vs the burning/while the chest discomfort had subsided the burning was back; burning in her lungs; coldness/ all over body coldness; fatigue; chills; This is a spontaneous report from a contactable consumer (patient herself, a medical assistant) via Medical Information team. A 49-year-old female patient received the first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection; lot number: EK9231, expiration date: 30Apr2021), via an unspecified route of administration on the right deltoid on 13Jan2021 at 12:30 at a single dose for COVID-19 immunization. The vaccination facility was the clinic. Vaccine was not administered at a military facility. Relevant medical history included sleeping (problem). Concomitant medications included ongoing trazodone as a sleeping pill and an unspecified multivitamin. The patient had no previous immunizations with a Pfizer vaccine as this was the first dose. She had no prior vaccinations within 4 weeks. The patient was having concerns about the side effects was experiencing after her first dose. The patient received the first dose on 13Jan2021 and afterwards she felt fatigue on 13Jan2021; coldness on 14Jan2021 at 07:30; and chills on an unspecified date in Jan2021. On Tuesday, on 19Jan2021, she started having "burning in her lungs" then the day prior reporting, on 20Jan2021 was a vigorous day at work and she had discomfort in her chest versus (vs) the burning." She stated that at the time of the report (21Jan2021), she was working at home and while the chest discomfort had subsided, the burning was back. The patient was asking if this was normal or expected and she didn't call her doctor; she was asking what should she do. The patient further reported that she did have some common side effects and the some of them were the normal ones such as: fatigue, chills, and feeling cold for a few days. The patient further reported that all over body coldness occurred at 7:30 AM on 14Jan2021; she noticed it shortly after she woke up. She actually noticed it after drinking coffee and then it was like the coldness kicked in. It would get worse as she drank things. It did not matter if it was hot or cold things. It was like the hot things intensified the cold feeling. At the time of the report she was having more concerning symptoms. On Tuesday (19Jan2021), she started to have burning in her lungs and the day prior reporting (20Jan2021) at work, she had chest discomfort. It was a little busy day at work running around on the floor. The chest discomfort was nothing significant, but it was a discomfort, especially on the left side. She confirmed she did not have that discomfort at the time of the report. However, she was having the burning again. She was having concerns and wanted to speak to someone about this. She went on to explain she noticed the fatigue during the night on the day she got the vaccine. It resolved around 16Jan2021. She added she had all over body coldness. She confirmed this was the same as the chills and feeling cold. This feeling comes and goes. She added, it was also winter so it was really hard to tell what it was from. The first two days, she had this chills, cold feeling for two days straight. However, at the time of the report it was better. The chest discomfort started the day prior reporting; however, she was doing a lot of activity and she did not have it today. At the time of the report, she was sitting all day working from home. However, the burning was back. The adverse events did not require any visit to an emergency room or a physician office. She stated she thought about calling the doctor's office, but she had not called them yet. She knew they probably won't be able to help or tell her anything. The patient had no investigation assessment and no relevant test. The patient recovered from the event "fatigue" on 16Jan2021; she was recovering from the events "coldness/ all over body coldness and chills," she was not recovered from the event "burning in her lungs," while the outcome of the events "discomfort in her chest vs the burning/ chest discomfort /while the chest discomfort had subsided the burning was back" was unknown.