I have several pale round spots on my right forearm. They are red around the outside and lighter on the inside. They range in size from a dime to a half dollar. They do not hurt, they are not raised,; I have several pale round spots on my right forearm. They are red around the outside and lighter on the inside. They range in size from a dime to a half dollar. They do not hurt, they are not raised,; I have several pale round spots on my right forearm. They are red around the outside and lighter on the inside. They range in size from a dime to a half dollar. They do not hurt, they are not raised,; several times now, they have become very red; This is a spontaneous report received from contactable reporter(s) (Consumer or other non HCP). The reporter is the patient.  A 40 year-old female patient (not pregnant) received bnt162b2 (BNT162B2), administered in arm left, administration date 29Mar2021 09:00 (Batch/Lot number: unknown) at the age of 40 years as dose 1, single for covid-19 immunisation. Relevant medical history included: "Hypertension" (unspecified if ongoing); "known allergies: Adhesives" (unspecified if ongoing). Concomitant medication(s) included: LISINOPRIL; PEPCID; MAGNESIUM; COLACE; PROBIO. Past drug history included: Percocet, reaction(s): "known allergies: Percocet". The following information was reported: RASH MACULAR (non-serious), SKIN DEPIGMENTATION (non-serious), BLOOD DISORDER (non-serious) all with onset 05Apr2021 12:00, outcome "not recovered" and all described as "I have several pale round spots on my right forearm. They are red around the outside and lighter on the inside. They range in size from a dime to a half dollar. They do not hurt, they are not raised,"; ERYTHEMA (non-serious) with onset 05Apr2021 12:00, outcome "not recovered", described as "several times now, they have become very red". The events "i have several pale round spots on my right forearm. they are red around the outside and lighter on the inside. they range in size from a dime to a half dollar. they do not hurt, they are not raised,", "i have several pale round spots on my right forearm. they are red around the outside and lighter on the inside. they range in size from a dime to a half dollar. they do not hurt, they are not raised,", "i have several pale round spots on my right forearm. they are red around the outside and lighter on the inside. they range in size from a dime to a half dollar. they do not hurt, they are not raised," and "several times now, they have become very red" were evaluated at the physician office visit. It was unknown if therapeutic measures were taken as a result of rash macular, skin depigmentation, blood disorder, erythema.  Additional information: It was reported that, she had several pale round spots on her right forearm. They are red around the outside and lighter on the inside. They range in size from a dime to a half dollar. They do not hurt, they are not raised, they do not itch or burn, they are just there. However, several times now, they have become very red and when that occurs, more appear than what are normally there. She got little ones on her hand and more on my forearm. She had noticed that this may happen both when it was extremely hot out and she was active and possibly when she had taken Advil. These did not appear until after she received her second dose. She fear that there was some type of blood disorder/issue occurring and she would really appreciate further guidance. She had seen both her dermatologist and her primary care physician. She wish she never got vaccinated. The patient was not tested positive for covid 19 prior to vaccination and had not been tested post vaccination. Patient did not receive any other vaccines within 4 weeks prior and received other specified medications 2 weeks prior to the COVID vaccine. Patient received vaccine A facility. The reported lot no for dose 1 was EN6206 on 08Jun2021 at 09:30 AM and for dose 2 was ER8727 on 29Mar2021 at 09:00 AM.  No follow-up attempts are possible; information about lot/batch number cannot be obtained. No further information is expected.