she's been dealing with an inability to process iron; weak; it was hard for her to even try to stand up; her red blood cells have changed, they became elliptical; white blood cells are through the floor; Loss of energy; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team. The reporter is the parent.  A female patient received BNT162b2 (BNT162B2), as dose number unknown (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Covid-19 vaccine (Primary series immunization complete, MANUFACTURER UNKNOWN), for COVID-19 Immunization.  The following information was reported: IRON BINDING CAPACITY TOTAL ABNORMAL (non-serious), outcome "unknown", described as "she's been dealing with an inability to process iron"; ASTHENIA (non-serious), outcome "unknown", described as "weak"; DYSSTASIA (non-serious), outcome "unknown", described as "it was hard for her to even try to stand up"; RED BLOOD CELL ABNORMALITY (non-serious), outcome "unknown", described as "her red blood cells have changed, they became elliptical"; WHITE BLOOD CELL DISORDER (non-serious), outcome "unknown", described as "white blood cells are through the floor"; ASTHENIA (non-serious), outcome "unknown", described as "Loss of energy". The events "she's been dealing with an inability to process iron", "weak", "it was hard for her to even try to stand up", "her red blood cells have changed, they became elliptical", "white blood cells are through the floor" and "loss of energy" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of iron binding capacity total abnormal.  It was stated that her daughter got the booster dose of the Pfizer-BioNTech COVID-19 Vaccine and she was been dealing with an inability to process iron. Her daughter has some kind of iron deficiency problem. Serious iron processing incapacity". She would like to know where can to go within Pfizer, who would know of patients receiving the vaccine who end up with a serious iron processing incapacity". Now the patient needs iron infusions every three weeks. Was Pfizer aware of this? This changes people's lives and too important. My daughter was too weak, it was hard for her to even try to stand up". There have been 5 cases of this same thing happening in the (withheld). (clinic name withheld) has 6 physicians assigned to this particular issue. Iron processing deficiency. The patient's internist said this was real. They made her an endoscopy, but the results aren't in yet. She was referred to hematology and they say her blood cells have an oval shape. She had to call everyday to the (clinic name withheld) to see if they have an opening. She happened to be buying a dress for patient's birthday an another person, someone on the queue, mentioned that they had the same problem two years ago after receiving the vaccine. Up to this day they still need frequent iron infusions. It exists and it's widespread. Two people who don't know each other, different ages, from different parts of the country. Caller would like to know if Pfizer is aware that certain people who receive the Pfizer-BioNTech COVID-19 Vaccine are coimng down with an iron deficiency problem. E-transfer; probably duplicated AE. A review of the Prescribing Information for COMIRNATY did not find information regarding the association between the Pfizer-BioNTech COVID-19 Vaccine and the development of iron processing deficiency. Question: "She would like to talk to someone who knows about this issue". "Where are your HQ offices?" "Who's Pfizer's CEO?" "Where are you located?" Response of physical location was provided. Question: "If people accept innocently injections from Pfizer and that changes their lifestyles, people should be able to make that choice. That's for Pfizer.  They haven't had any problems with Moderna; that's weird". Investigations: Yes. Additional Context: Caller was asking if this was the Covid line where she reports an inability to process iron. It was stated she was out buying a birthday gift and the sales person mentioned that 2 years ago when she had Covid she came down with iron deficiency as well and takes iron infusions every 3 weeks and has a week apart. No further details or information provided.  She states that her daughter had the Covid booster and 5 different hospitals didn't know what they were dealing with and diagnosed her as having inability to process iron. She relays the woman at the store she swallowed a pill with a camera and that the her daughter had that also last week. She states she herself took the Moderna and had no problems and there was something going on and it's not being spoken about. She also states that her daughter (patient) loss of energy she almost didn't finish her dissertation at college and she doesn't know if Pfizer is interested in this or is not talking about it.  She was asking if this has been reported and if Pfizer was doing something about it. Wants to know if Pfizer has isolated the problem so patients that receive the vaccine are not going to get this. She states she doesn't know how to get to the bottom of this and then will go to the press and was asking does medical information have other reports about this issue coming out. She declines to report on the person at the grocery store and declines to report on her daughter. States she can call and also states her daughter had been to 5 major hospitals and they suggested she call (withheld) and they did pretesting and her heart is fine but what was not fine was her energy level. States that she called (withheld), that her red blood cells have changed, they became elliptical, I shaped, elongated, and her white blood cells are through the floor. States that was the first sign of a problem. States the she kept losing energy and called (withheld) hematology last week, that (withheld) was so backed up they couldn't take her and fielded her to (name withheld) and they were so backed up and told her to call (withheld) and they said they are so backed up. States this was an onslaught with this problem. (withheld) told her to call them every day and they would send her paperwork and to send them her blood smears and everything and when they have an opening she can fly out and go to the (clinic name withheld). She states as a parent, as a human being, when the whole nation was offered these vaccines and then these 2 people that don't know each other have exactly the same symptoms. She states she said to her daughter that she was going to get to the bottom of this.  She would like to speak to the medical information people and find out what is not being told.  She was asking if this information gets transferred to insurance companies so that the treatment won't be covered. Caller is asking if we report this to the CDC.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.