chills; sneezing; congestion inside her face; her eyes and cheek bones were swollen; her eyes and cheek bones were swollen; vomiting everything; hasn't felt good; hives on the body; facial swelling; nausea; headache; fever/She still has a fever of 100.2 everyday/99.5F; body aches/lower back body aches; fatigue; This is a spontaneous report from a contactable consumer (patient). A 30-year-old female patient received BNT162B2 (PFIZER-BIONTECH COVID-19 VACCINE), first dose via an unspecified route of administration, administered in Left Arm on 31Mar2021 12:30 (Batch/Lot Number: EW0150) as SINGLE DOSE for covid-19 immunisation, patient wanted to be vaccinated against COVID. Medical history included weak immune system form 2016 and ongoing, states she started to have a low immune response a couple of years ago, but provided 2016 as the start year. Caller stated she did not have a medical diagnosis, but had a very low immunosuppressive response. Mentioned she had a low immune system. Family Medical History Relevant to AE(s): States her mom is allergic to penicillin. No history of all previous immunization with the Pfizer vaccine considered as suspect (or patient age at first and subsequent immunizations if dates of birth or immunizations are not available). No additional administered vaccines. No prior vaccinations (within 4 weeks). The concomitant drugs not reported. Then she developed nausea on 31Mar2021, headache on 31Mar2021, chills on an unspecified date and a fever on 31Mar2021 and this has continued for 7 days. She was concerned about getting her second dose of the vaccine and wants to know how long these side effects could last. Use of fever reducing drugs and pain relievers. Caller states she still has a fever, body aches on 31Mar2021, headache, chills, and nausea. This was her first dose and states she was confused because she knows symptoms shouldn't last longer than 2-3 days. She still has a fever of 100.2 everyday. She woke up with a fever and headache today. On Sunday (04Apr2021), she had intense facial swelling and hives on the body. Patient had facial swelling that day, which resolved. She was also sneezing. She states she didn't know what to do. Caller asked was her body going to collapse if she gets the second vaccine. Patient wondering if she should go to the hospital. Stated everyone says the second dose was way worse. She already filled out a safety report online yesterday. However, she was calling to speak to someone today to see what to do. The vaccine was given on 31Mar2021 at 12:30 and by 6 o'clock she stated to have symptoms. Caller said she usually wakes up in the day and feels fine, but by mid afternoon she gets a fever of 100.2F that lasts a while. Right now it's 99.5F, but it also did not go above 100.2F. She experiences lower back body aches every time she has a fever. Her nausea was worse on the day of the vaccine. She couldn't even keep water down. She was vomiting everything. Her headache was really bad the first day, but now was mild, and ongoing. With the facial swelling she experienced sneezing, congestion inside her face, and her eyes and cheek bones were swollen. She also got hives. The hives appeared on armpit and neck. States she still had a couple, but was unsure if they are still hives. She also had fatigue on 31Mar2021 that had been ongoing since the vaccine. She just hasn't felt good since Wednesday. Caller treated her symptoms with Ibuprofen for fever, headache, and body aches. She was also resting to help with the symptoms. Outcome reported as iInitially confirmed as they have improved. Mentioned there are only like two there now. She has not had any new hives since 04Apr2021. Caller stated her question.  Was that she just want to talk to someone about what was going on and this was the 7th day of fever and other symptoms from the Pfizer Vaccine that she has had since day 1; states she needs to know if she should go to the ER or if she should be taking the 2nd dose of the Pfizer Vaccine if she has this serious reaction to the 1st dose; caller states she has never had covid before and states she has not had covid at least not that she knows of. Caller aware cannot provide treatment recommendations or medical advice; states she does not have a HCP and what to do if she does not have a HCP provider. Reporter stated this was the 7th day of fever and other symptoms from the Pfizer Vaccine that she has had since day 1; caller stated she had never had covid before and states she had not had covid at least not that she knows of. All events did not require a visit to Emergency Room or Physician's Office. The outcome of event facial swelling was recovered on 04Apr2021, of chills, sneezing, congestion inside her face, her eyes and cheek bones were swollen, vomiting everything and hasn't felt good was unknown, of fever, body aches and fatigue was not recovered, of other events was recovering,   No follow-up attempts are needed. No further information is expected.