headache; weak; dizziness; hallucinations; nightmares; fever; chills; This is a spontaneous report from a contactable consumer (Patient). A 66-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Formulation: Solution for injection, Batch/Lot Number: ER8729), dose 1 via an unspecified route of administration, administered in Arm Left on 09Jul2021 at 09:00 (at the age of 66-years-old) as dose 1, single for covid-19 immunization. Medical history included covid-19 from Oct2020. Consumer stated last year, Oct2020, she had COVID , dizziness from Aug2020, headache from Aug2020, knee replacement from Aug2020 (Surgery From: Aug2020. Additional Information for Other Conditions: knee replacement). When she was little she got a vaccine, she doesn't remember, and she had a fever. Ten years ago she got the flu vaccine and had no reaction. Historical vaccine included flu vaccine in 2011. Family Medical History Relevant to the adverse event was none. The patient's concomitant medications were not reported.  On 09Jul2021, the patient experienced hallucinations, the same symptoms she had when she was infected with covid19, nightmares, fever, chills, on an unspecified date headache, weak and dizziness.  The patient underwent lab tests and procedures which included sars-cov-2 test: negative. She had the symptoms before when she was very weak with the virus. Caller stated that the worst part was the hallucinations when she was awake and the nightmares. She expressed that she wish that she don't have to take the 2nd dose because she has been getting dizziness pretty often and also a headache. She stated that if she can be "an exception in not receiving the 2nd dose because of the symptoms she is having after her 2nd surgery". The patient reported she had bad side effects and is wondering if she has to take the second dose. Stated when she got the vaccine, she got the same symptoms she had when she was infected with COVID, she had chills; fever; hallucinations, she felt like high or drunk; then she fell asleep and continued to have dreams; she believes it was related to the vaccine. Why should she have to take it? When ask when the side effects started she stated later on that day she started with a headache; then chills; hallucinations for a little while then she fell asleep and had nightmares. The nightmares woke her up and she didn't continue to dream. She had the chills, and the headache was from Saturday to Monday. Adds she had to cancel an appointment on Monday. Mentions they require vaccinations for a lot things. Adds she is scheduled for the second dose on 30Jul2021. Adds she just got back from the doctor and doesn't really feel good. History of all previous immunization with the Pfizer vaccine considered as suspect was none. Additional Vaccines Administered on Same Date of the Pfizer Suspect was none. No Ae caused emergency room visit. Patient did not visit physician office, but she did see her doctor for preexisting dizziness and headaches. She did not report to him her symptoms from the vaccination Prior Vaccinations (within 4 weeks) was none. AE following prior vaccinations was none. Outcome of the events hallucinations, nightmares recovered on an unspecified day in 2021, chills and fever recovered on 12Jul2021 and outcome of the other events were unknown.   Follow-up (27Jul2021): This is a follow-up spontaneous report from a contactable consumer. This consumer (patient) reported information included weight and height, RMH and stop date of the events.