Chewing up peanuts and does not know if maybe breathed it back or something, but suddenly could not breathe and was wheezing for air like throat was closed off; Throat was closed three-fourths of the way; Could not breathe; Maybe a mild, mild sore throat only because something may have hit the back of her throat during event; Wheezing for air; This is a spontaneous report from a contactable consumer (the patient).   A 68-years-old female patient received first dose of bnt162b2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Formulation: Solution for injection, Batch/Lot number: EN6200), via an unspecified route of administration in left arm on 01Mar2021 10:30 (at the age of 68-years-old) as 1st dose single for COVID-19 immunisation. Medical history included sciatica from an unknown date and unknown if ongoing, Flu with pleurisy and bronchitis from 2018. The patient has a nephew who was to use a CPAP machine for some unknown breathing condition, she does not know what it was. Concomitant medications included paracetamol (TYLENOL) taken for sciatica from an unspecified start date and ongoing (reported as taken for maybe the last 5 days) and unspecified vitamins (reported as tries to take same vitamins daily). The patient previously took first dose of Shingrix shot 28Sep2020 with no adverse events and got very sick after getting second shot on 31Dec2020 (at the age of 68-years-old). She previously also had other vaccines like MMR on 10Dec2020 and Fluzone on 29Sep2020 with no adverse events. No prior vaccination within 4 weeks. On 02Mar2021 19:00 (about 33 hours of vaccination), the patient experienced chewing up peanuts and does not know if maybe breathed it back or something, but suddenly could not breathe and was wheezing for air like throat was closed off and maybe a mild, mild sore throat only because something may have hit the back of her throat during event. The adverse events were not resulted in any emergency room or physician office. The consumer reported that "She was fine all the day of 01Mar2021. On 02Mar2021 around 19:00 she and her husband were watching a movie and eating peanuts. She was chewing up peanuts and she does not know if may-be she breathed it back or something, but suddenly she could not breathe and was wheezing for air like her throat was closed off (three-fourths of the way). This happened like 10 times, further described as about 10 breaths that she could not get air. She thought if she took a drink it might help, and was drinking 1 beer, so she took a swallow of beer and that would not get rid of the event. She finally told her husband that she needed the Heimlich. After her husband gave her the Heimlich which sort of did not help, she started getting some wind back, was able to breathe; but it crippled her for at least the time that she could not breathe. This has never happened to her before, never with peanuts. She knows that there can be air trouble, breathing trouble with COVID, but wanted to ask if this could be a side effect of the Pfizer-BioNTech COVID-19 Vaccine, and if it is an allergic reaction should she or should she not get the second dose of the Pfizer COVID-19 Vaccine. She thought outcome to be recovered completely from this event; but maybe with lasting effect of maybe a mild, mild sore throat only because something may have hit the back of her throat during event." Therapeutic measures were taken as a result of Chewing up peanuts and does not know if maybe breathed it back or something, but suddenly could not breathe and was wheezing for air like throat was closed off. The outcome of event ma Sore throat not recovered and other events were recovered on unspecified date in Mar2021.