it seems like respiratory infection; Shortness of breath; Something going on in the middle of her chest; Body aches; Coughing; Swelling on arm; Soreness in the arm/her arm was hurting; sick; Totally tired; waking up and having to go back to sleep; Not been feeling well/she is feeling like she is 99 years old; Felt so bad,Not been feeling well/she is feeling like she is 99 years old; Heart palpitations; This is a spontaneous report from a contactable consumer reporting for herself. A 66-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE; Formulation: Solution for injection, Lot number: unknown; Expiration Date: unknown), dose 1 via an unspecified route of administration on 19Apr2021, as single dose, for COVID-19 immunization. Medical history included has asthma that was controlled for years and allergies that were controlled. The patient's concomitant medications were not reported. She got the first dose of the vaccine on 19Apr2021 and was okay, except her arm was hurting/ soreness in the arm for a few days approximately on an unknown date in 2021. She was ready to get her second dose on 10May2021 but the week prior to that, approximately in 2021, 2 weeks after the first dose, she started getting sick. Caller reported that in to that third week, approximately in May2021, she experienced shortness of breath, coughing and body aches and it all hit her like a ton of bricks. She was feeling great but then was feeling Covid symptoms. The caller was totally tired, she was also waking up and having to go back to sleep on unknown date in 2021. The caller called the nurse line, and they told the caller to go into the emergency room. They did a covid test first thing because a lot of the symptoms were Covid symptoms. On an unknown date in May2021, they did an electrocardiogram (EKG) on the caller because she was having something going on in the middle of her chest. The caller had a covid test in the emergency room and it was negative. They did some blood tests, and they did not see anything bad other than a respiratory infection and said come back if it gets worse. That's what they thought it was and they sent the caller home. She also had heart palpitations on an unknown date in 2021 and stated she needs to go see a cardiologist. The caller was apprehensive about getting the second dose right now because she was still not feeling well. She does not know what is going on with her body. She was there in the ER on a Friday and asked if she should get the shot on that Monday or Tuesday and the ER doctor said to get it. However, she talked with the Immunization department and they said not to get it if she is not feeling well. She kept rescheduling the vaccine because of her symptoms. She stated she was feeling like she was 99 years old. She had an appointment with her primary care provider this week and they said they will listen to her heart. She was still delaying getting the second shot and was thinking it was best not to get it. She stated she read that adverse reactions usually occur within the first hour. The immunization clinic said to delay the second shot, that the caller could delay it up to 31 to 42 days. The caller has not been feeling well for weeks. The caller is still having difficulty breathing and has been taking her asthma inhaler. The caller was feeling great except the soreness in her arm that went away. The caller was seeing her primary care provider this week because she doesn't know if she needs to have her heart checked out further. The facility wouldn't give the caller her second dose at her scheduled appointment because she was feeling bad, so she has kept delaying it.  The outcome of the event soreness in the arm/her arm was hurting was recovered on unknown date in 2021. The outcome of the events shortness of breath, not been feeling well/she is feeling like she is 99 years old and felt so bad, not been feeling well was not recovered. The outcome of the events respiratory infection, something going on in the middle of her chest, heart palpitations, coughing, swelling on arm, body aches, sick, totally tired and waking up and having to go back to sleep was unknown.   Follow up attempts needed. Information related lot/batch number has been requested.