got the first dose of the Pfizer covid 10 vaccine on 20Jan2021/got the second shot on 29Apr2021; was exposed to COVID the same day; she tested positive on 25Jan2021; This is a spontaneous report from a contactable consumer (patient's daughter). A 80-year-old (age at vaccination) female patient weight; 63.5 kg, height; 168 cm received second dose of bnt162b2 (PFIZER-BIONTECH COVID-19 VACCINE, Solution for injection, Batch/lot number: Unknown, NDC number, expiry date, Reason for no lot number: of Pfizer COVID vaccine: Other: Caller does not have the patient's vaccine card to provide this information), is Pfizer COVID vaccine a Pfizer product: Unspecified, Pfizer COVID vaccine manufacturer: unspecified, via an unspecified route of administration on 29Apr2021 as single dose for covid-19 immunization (prevention of covid-19). The patient's medical history and concomitant medications were not reported. The patient previously received BNT162B2 for covid-19 immunization. On 29Apr2021, the patient experienced got the first dose of the pfizer covid 10 vaccine on 20Jan2021/got the second shot on 29Apr2021. Consumer stated her mother (80 years old) got the first dose of the Pfizer covid 10 vaccine on 20Jan2021 and was infected the same day. Consumer stated on 27Jan2021 her mother was treated with the antibodies. Consumer stated her mother was told that she would have to start over again. Consumer stated her mother got the second shot on 29Apr2021. Consumer asked is this her second dose or is it necessary to get a third shot. Consumer reported that she was infected the same day as well. The Patient did not receive any treatment for the event.Consumer is calling about the Pfizer COVID shot, she confirms the vaccine. She says this is concerning her mother, she is 80 years old and she got her first dose 20Jan2021, then she was infected with COVID the same day. Then because of her age they took her to the doctor and she got antibodies for COVID on the 27Jan2021 and they told her to wait for 90 days to start over is what the doctor said. Her mother got her second shot on 29Apr2021, she asked this question to the pharmacist and he said she might not have to take another shot since she had the first shot and she took antibodies and then also took a second shot. She wants to ask if her mother needs to take the second shot again or is she she good. She Consumed the CDC and they didn't have the answer they gave her this number and told her to call Pfizer. She confirms her mother got the first dose 20Jan2021, she clarifies her mother was exposed to COVID that same day and her mother tested positive on the next Monday, she tested positive on 25Jan2021. She started having symptoms on the 24Jan2021 and then tested positive on 25Jan2021. She had antibody infusion 27Jan2021. She was then told to wait 90 days because she had antibodies she was told to wait to start the process over so on 29Apr2021 she received her second COVID shot, it was Pfizer as well. Her question and she talked to one pharmacist and he thought she is good and another said well she probably needs to take a second one again but Consumer says that will be 3 of them. She says the CDC didn't know and told her to call Pfizer. Product details: She has to ask her mother where her vaccine card is. Her mother cannot find her vaccine card. She does not have NDC lot expiration or dose amount to provide for her mother's vaccine dose. Consumer says she can look at her own card to get it. Consumer says she had hers as well and she had Pfizer on the same day and the same dose. Consumer says she herself was also exposed that same day but she did not received antibodies so her doctor told her to get the second shot since she did not get antibodies. She is calling to ask if her mother needed to get another shot, is she fully vaccinated or does she need to be vaccinated some more, she wants to make sure because she is 80 years she wants to be sure. Consumer provides the lot number from her own first dose is #. She confirms she does not have her mother's vaccine card to confirm her mother's NDC lot expiration. Consumer clarifies she tested positive for COVID as well. She had her first dose and she is younger, she is 55 so she just wanted to make sure since her mother got antibodies. Consumer knew it would not be as bad for herself so she did not get antibodies she just let COVID take its coarse and so the next time when she was supposed to get the second dose she got it, but her mother did not get it when she was supposed to. Is there a Product Complaint: Yes. Description of Product Complaint: Description of complaint: Consumer reports her mother received the first dose of the Pfizer COVID 19 vaccine on 20Jan2021 and was exposed to COVID the same day. She says her mother began having symptoms on 24Jan2021 and then tested positive for COVID 25Jan2021. Product strength and count size dispensed: She does not have dose information to provide. Sample of the product available to be returned was not provided. Packaging sealed and intact was not provided. No investigation assessment was done. The clinical outcome of the got the first dose of the pfizer covid 10 vaccine on 20Jan2021/got the second shot on 29Apr2021, COVID-19 virus test positive, exposure to COVID-19 was unknown.  No follow-up attempts are needed. Information about lot/batch number cannot be obtained.  Follow up (11May2021): New information received from a contactable consumer. This consumer (patient's mother) reported for a patient which included: Patient details (age at vaccination, height, weight, medical history, laboratory test) added, event details (new events she tested positive on 25Jan2021', was exposed to COVID the same day') added and clinical information.  No follow-up attempts are possible; information about lot/batch number cannot be obtained.