shortness of breath and difficulty breathing; shortness of breath and difficulty breathing; very fast heart rate (which she reports ranged from 95-99 beats per minute per a pulse oximeter that she carries with her); "hypertension level 2."; fever; headache; stomach pain; nausea; fatigue; dizziness; diarrhea; constipation; bad cold chills; sore throat; no appetite; pain all over; joint aches; muscles aches; stuffy nose; sneezing; runny nose; This is a spontaneous report from a contactable consumer (patient). A 68-year-old female patient received first dose of BNT162B2 (PFIZER-BIONTEC COVID-19 mRNA VACCINE, Solution for injection, lot number and expiry date were not reported), via an unspecified route of administration, on an unspecified date, as dose 1, single dose for COVID-19 immunization. The patient's medical history and concomitant medications were not reported. Pat drug included ibuprofen (I'm also allergic to ibuprofen but that's the only allergy that I know). The patient reported that she experienced side effects shortly after, within 2 hours, and some of them she has continued to experience. She stated that within 2 hours of receiving her first dose she experienced shortness of breath and difficulty breathing, very fast heart rate (which she reports ranged from 95-99 beats per minute per a pulse oximeter that she carries with her) and "hypertension level 2" on an unspecified date. The other side effects that she has been experiencing as follows, "fever, headache, stomach pain, nausea, fatigue, dizziness, diarrhea for 9 days in a row and now has constipation, bad cold chills, sore throat, no appetite, pain all over, joint aches, and muscles aches on an unspecified date. Up until this morning she still had chills, extreme fatigue, store throat and stuffy nose, sneezing like no tomorrow, one minute she will have a runny nose and the next it will be stopped up and stuffy. She have never had allergies that she know of either." The caller stated that she has been to urgent care twice and to the Emergency Room once. She was told that she has a virus, however, no one can tell her what was wrong exactly. She was given steroids and an inhaler to treat her symptoms. On an unknown date, the patient underwent lab tests and procedures which included blood test: unknown, chest x-ray: unknown, echocardiogram: unknown, electrocardiogram: unknown, sars-cov-2 test (9 covid tests): negative, ultrasound scan (sonogram of her stomach): unknown, urine analysis: unknown. The patient could not explain why she has been feeling the way that she felt. She has had two doctors tell her to proceed with the second dose and her internist told her that if she continues to felt the way that she did that she should not proceed with the second dose so she was conflicted about what she should do. The patient stated that she took "a lot of supplements for her immune system since all of this COVID stuff started and she was also allergic to ibuprofen but that's the only allergy that she know." The patient wanted to know if she was unable to receive the second dose of the Pfizer COVID-19 vaccine by 04Jun2021 what will the efficacy of the vaccine be for her and she was concerned she may have had an allergic response to the Pfizer COVID-19 vaccine and wanted to know more information about symptoms of an allergic reaction. The patient wanted to know how effective the Pfizer COVID-19 vaccine against the different strains of COVID-19, including the Indian variant and get response included on April 1, 2021, Pfizer and BioNTech announced an updated topline analysis up to 6 months following second dose of COVID-19 Vaccine Study. Vaccine was 100% effective in preventing COVID-19 cases, where the B.1.351 lineage was prevalent. The patient would like to know how long she could wait to receive the second dose of the Pfizer COVID-19 vaccine since she was unable to receive the second dose today. The patient received treatment for the events. Outcome of the events was unknown.  No follow-up attempts are needed; information about lot/batch number cannot be obtained.