She had a rash outbreak on her nose and mouth, the areas were crusty and flaky; She had a rash outbreak on her nose and mouth, the areas were crusty and flaky; One culture came back positive for Staph; She had a rash outbreak on her nose and mouth, the areas were crusty and flaky; She had a rash outbreak on her nose and mouth, the areas were crusty and flaky; This is a spontaneous report received from a contactable reporter(s) (Consumer or other non HCP) from medical information team, Program ID: The reporter is the patient.  A 57-year-old female patient received BNT162b2 (BNT162B2), as dose 1, single (Batch/Lot number: unknown), as dose 2, single (Batch/Lot number: unknown) and as dose 3 (booster), single (Batch/Lot number: unknown) for covid-19 immunisation. The patient's relevant medical history and concomitant medications were not reported. Past drug history included: Thimerosal, reaction(s): "Rash all over her face", notes: She is allergic to Thimerosal/ Caller reports getting a rash all over her face. The following information was reported: RASH (non-serious), ORAL MUCOSAL ERUPTION (non-serious), SCAB (non-serious), SKIN EXFOLIATION (non-serious), outcome "not recovered" and all described as "She had a rash outbreak on her nose and mouth, the areas were crusty and flaky"; STAPHYLOCOCCAL INFECTION (non-serious), outcome "not recovered", described as "One culture came back positive for Staph". The events "she had a rash outbreak on her nose and mouth, the areas were crusty and flaky" and "one culture came back positive for staph" required physician office visit. Relevant laboratory tests and procedures are available in the appropriate section. Therapeutic measures were taken as a result of rash, oral mucosal eruption, staphylococcal infection, scab, skin exfoliation. The information on the batch/lot number for BNT162b2 has been requested and will be submitted if and when received.  Additional Information: The patient reported that she wanted to know if the Pfizer covid vaccine contains Thimerosal as an ingredient. She found out after visiting allergist that she is allergic to Thimerosal. She wanted to know why she was asked if she was allergic to Thimerosal, when she went to sign up for her booster.  Follow-up (06Apr2022): This is a follow-up spontaneous report from a Pfizer-sponsored program. A contactable 57-year-old female consumer (patient) reported for herself that: Updated Information: Past drug added, Lab data added, Product information added: Treatment received, Physician office added, Events: 'Rash', 'Rash mouth', 'Staphylococcal infection', 'Crust Flaking skin'. She reported that she has an allergy to Thimerosal. when she went on the website to schedule her second booster dose, one of the screening questions asked if she has an allergy to Thimerosol. She reported that during the pandemic, she had a rash outbreak on her nose and mouth, the areas were crusty and flaky and one culture came back positive for Staph. This has been going on over a year. She was given a steroid. It was somewhat effective in treating the rash, but it never clears up. She reported that she was sent to an Allergist two to three weeks ago and was tested. The test came back that she was allergic to an agent called Thimersol. she was not aware at that time she was allergic to Thimersol when she had registered for the first shots or booster. She reported that she went online and found that the Covid vaccine, does not contain Thimersol. She reported that she did not see this question, when she filled out the questionnaire for her previous Covid vaccines. She reported that Thimersol is a mercury preservative that is found in cleaning products, some vaccines, and make up, and found in products produced outside of the country. She reported that she would like to get the second booster. She wanted to know if Thimersol is an ingredient in the second booster vaccine and if so she wanted to know do the other Covid vaccines, made by other manufacturers, contain Thimersol.