Nervous; feeling sick; Short of breath. I am on oxygen; Felt a little bad; This is a spontaneous report from a contactable consumer (patient). A 75-years-old female patient received bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE), via an unspecified route of administration, administered in Arm Right on 20Sep2021 (Batch/Lot number was not reported; also reported as It written very tiny, I mean it s really small, I can't see it.") as DOSE number unknown, SINGLE for covid-19 immunisation.  Medical history included chronic obstructive pulmonary disease (COPD) and anxiety both from an unknown date and unknown if ongoing. Concomitant medication included budesonide, formoterol fumarate (SYMBICORT); ipratropium bromide (ATROVENT); and tiotropium bromide monohydrate (SPIRIVA RESPIMAT), all taken for an unspecified indication, start and stop date were not reported (reported as "I am taking three inhaler and my anxiety pills. Oh god, that is why I took the shot."/ "Yes, I am taking other medication because I said I have COPD, so I do take inhalers for my COPD and I do take medications (unspecified medications) for my anxiety attacks."). The patient (an HCP) stated, "I took your booster shot on Monday or although I have COPD. I took it Monday. Tuesday evening I felt a little bad. Wednesday, it got a little worse and this morning, it got worst and I have been in Emergency Room. So, I am calling to find out what can you all do or what is wrong with the vaccine that put me through all this." The patient added: "I am having bad shortness of breath and I am very nervous and everything because I am nervous because I don't know what this thing is doing to my body." The patient also added that: "I started on the 21st because I took it on the 20th. So I started on the 21st (Confirmed as 21Sep2021)." The patient had no other vaccinination (reported as "No vaccinations. The only vaccination I have had is the one I got from you when you all came with the Pfizer thing for COVID."). The patient had no tests done. For treatment the patient added: "I haven t taken anything. That is why I went to the emergency room." The patient further added that: "End up in emergency room early this morning because I do not feel good at all, earlier it was messing with my breathing a whole lot; Mess with it so much that I went emergency room; I do not feel good" It was added:, "Well I took your booster shot on Monday and I felt alright, part of Tuesday 21Sep2021 and Wednesday and in this morning it was a devil and I end up in emergency room early this morning because I do not feel good at all, earlier it was messing with my breathing a whole lot because I have COPD (history) and it mess with it so much that I went emergency room they did not do anything for me so I do not know what this thing is doing to me but I do not feel good." Then stated: "Every time I look around somebody is giving me a number but nobody is saying what could be done to help me with this mess, I will not take another shot." To consent to follow-up: Consumer stated, "Somebody follows up with me because I am feeling sick, I did not even go to my job today." It was further described: "Monday I went to the vaccination site and I took the Booster Shot (Unspecified Booster Shot) and from there I have been not feeling good at all. I went to emergency room early this morning because I was short of breath although I have COPD (Intent: History) but I never felt this way before. I am still feeling bad, I have been in emergency room this morning but they didn't gave me anything and they didn t care for anything, so I don't know what's what. I do not feel good at all." Consent to follow up: patient stated, "It doesn't matter because right now I don t feel good. I want to know what I can do for myself. What was (word not clear), I don t know. I really need to be transferred because I really do not feel good." (Hence further probing was not done). "I have already been to doctor this morning. I have been in emergency room, I have already been there this morning." It was noted that: "I took the booster shot on Monday. From Tuesday to now I am still not feel not feeling good. I was at the emergency room this morning. I don't feel good at all. I have COPD. I have taken the other vaccines and they never did anything to me. No medical advice was given. real bad short of breath, body is jumping. Something is cut across throat, laying across it. I don't know whether there's phlegm. I fell asleep on the couch, woke up by jumping. Short of breath. I am on oxygen, I know that's not it because I am on it everyday. Called HCP and no one returned call." The patient indicated has called six times. The outcome of the events was unknown.