Initially diarrhea for a few weeks  and fatigue, then heart fluttering, dizziness,,mild shortness of breath for several weeks . Like an arrhythmia .; Initially diarrhea for a few weeks  and fatigue, then heart fluttering, dizziness,,mild shortness of breath for several weeks . Like an arrhythmia .; Initially diarrhea for a few weeks  and fatigue, then heart fluttering, dizziness,,mild shortness of breath for several weeks . Like an arrhythmia .; Initially diarrhea for a few weeks  and fatigue, then heart fluttering, dizziness,,mild shortness of breath for several weeks . Like an arrhythmia .; Initially diarrhea for a few weeks  and fatigue, then heart fluttering, dizziness,,mild shortness of breath for several weeks . Like an arrhythmia .; Initially diarrhea for a few weeks  and fatigue, then heart fluttering, dizziness,,mild shortness of breath for several weeks . Like an arrhythmia .; This is a spontaneous report from a sponsored program. A contactable consumer (patient) reported herself that, A 62-years-old female patient received first dose of bnt162b2 (PFIZER BIONTECH COVID-19 mRNA VACCINE, solution for injection, batch/lot Number: EPp7533), via an unspecified route of administration on 30Apr2021 16:30 (at the age of 62-years-old, non pregnant), in right arm as dose 1, single for COVID-19 immunisation. The patient's medical history was mild hypothyroid. Concomitant medications were not reported. The patient did not receive any other vaccines within 4 weeks prior to the COVID vaccine. The patient diagnosed with COVID-19 neither prior to vaccination nor after the vaccination. The patient had an appointment to get 2nd vaccine, it has been 6 weeks, and her family was pressuring her to get it. In May2021, the patient initially diarrhoea for a few weeks and fatigue, then heart fluttering, dizziness, mild shortness of breath for several weeks. Like an arrhythmia. The event arrhythmia and heart fluttering was serious (medically significant). The patient visited physician office for adverse events. On 30Apr2021, electrocardiogram was performed which was normal. The outcome of the events was unknown.  This is a follow up (PRD11Jun2021)-spontaneous report from a contactable consumer. This consumer (patient) reported in response to consumer letter sent via follow-up letter which included that:  Additional Context: Caller states, "I have a heart arrhythmia, I can feel it in my chest and when I take my pulse, of course my doctor did a quick EKG and I wasn't having it at the time the test was done. I saw the PA and all the lab work was normal. They talked about some kind of monitor. Maybe the PA will follow up with the Dr and they will call me next week about it." Caller also states,"my friend is vomiting her guts out and she needs to get her 2nd shot" Caller states she reported her symptoms this morning. Caller states people are not reporting, they think their doctors are reporting for them. I have an appointment to get my 2nd vaccine, it has been 6 weeks, and my family is pressuring me to get it. What if I do and I am never normal again?" Caller states, "I don't trust Pfizer anymore after this morning. I have been on the phone now for over 30 minutes trying to find out where my vaccine lot# was manufactured. Pfizer has done unethical things with this vaccine and I heard about all of it this, morning. "I already reported my information this morning.  No follow-up attempts are needed. No further information is expected.