arm swelled up and it hurt; arm swelled up and it hurt; Throat scratchy, felt like Covid, after the first vaccine.; Cough, felt like Covid, after the first vaccine.; Headache, felt like Covid, after the first vaccine.; Vomiting, felt like Covid, but not as severe, after the first vaccine.; Diarrhea, felt like Covid, after the first vaccine.; Felt bad and achy, felt like Covid, after first vaccine.; Felt bad and achy, felt like Covid, after first vaccine.; Fever, 102.6, and low grade, felt like Covid, after first vaccine.; Caller got her first vaccine, and became ill; it felt like she had Covid all over again.; This is a spontaneous report from a Pfizer sponsored program. A contactable consumer (patient herself). A 66-year-old female patient received first dose of BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Solution for injection), dose 1 via an unspecified route of administration in arm right on 20May2021 at 14:30 as single dose for COVID-19 immunization. Medical history included sepsis from an unspecified date in 2019 to an unknown date, pneumonia from an unspecified date in Oct2020 to an unknown date, blood clot from an unspecified date in Oct2020 to an unknown date, Muscle ache from an unspecified date in Oct2020 and ongoing (Verbatim: Muscle aches, with COVID), COVID-19 from an unspecified date in Oct2020 to 2020 (Verbatim: COVID-19 /she got discharged from the hospital, on 03Nov2020), Scarring in lungs due to Covid, Hair loss from an unspecified date in Nov2020 and ongoing and lungs scarring from 11May2021 and ongoing. Concomitant medications were reported as none. Patient previously took Pneumonia vaccine for immunisation and experienced with her arm swelled up and it hurt, on the arm she got the injection. Prior Vaccinations (within 4 weeks) no other vaccinations within four weeks prior to the first administration date of the suspect vaccine. The consumer states she thought at first, the hair loss could be from her blood thinner, but now thinks it is from her having Covid. Consumer provides no details about the blood thinner. Consumer states her events, felt like she had Covid again. Caller reports that her doctor told her there are not virus cells live, in the vaccine. Consumer states she had concerns about how she reacted, after the vaccine. Consumer reports that her fever was 102.6 degrees the day after the vaccine, although she had started out with a low grade fever the day of the vaccine. Consumer reclarifies that she had vomiting and diarrhea, and she felt bad and achy. On the third day after the vaccine throat became scratchy also that she had a cough and a headache. Fever (in the evening), Vomiting (in the morning to lunch time, the vomiting was not as severe as when she had Covid), Diarrhea (probably in the afternoon, Consumer reclarified she took Imodium and reports that the medication had good effect), Felt bad and achy (still has aches, but that also could be the remnants of her Covid virus. Reclarified, she has had problems since she had the Covid virus, probably in the morning probably in the morning), Throat scratchy (probably started on 24May2021), Cough (probably on 21May2021), Headache (in the morning, all of the events happened around the same time). Vaccine Lot Number: Consumer states either FWO or EWO, and then the numbers 179, handwritten on card. Adverse Event: Consumer states her arm swelled up and it hurt, on the arm she got the injection. She had to go back to the doctor to get a shot, reclarified, for the arm swelling and does not know the name of the medication. She also took Benadryl. Consumer states both medications were effective. The patient underwent lab tests and procedures which included body temperature: 102.6 on 20May2021 (degrees /started out with a low grade fever the day of the vaccine), body temperature: 100 on 20May2021 degrees, body temperature: 99 on 23May2021 degrees and computerised tomogram: scarring of lungs on 11May2021. Treatment was received for Diarrhea. The outcome of the events vomiting, felt like covid, but not as severe, after the first vaccine and diarrhea, felt like covid, after the first vaccine was resolved 22May2021, fever, 102.6, and low grade, felt like covid, after first vaccine was resolved on 24May2021 and remaining events was unknown.  Information about Lot/Batch number has been requested.