This is a spontaneous report received from a contactable reporter(s) (Nurse) from medical information team. The reporter is the patient. A 68-year-old female patient received BNT162b2 (BNT162B2), in Apr2022 as dose 4 (booster) single (Batch/Lot number: unknown) for Covid-19 immunisation; pneumococcal 20-valent conjugate vaccine (dipht CRM197 protein) (PREVNAR 20), as dose number unknown, single (Batch/Lot number: unknown) for immunisation. The patient's relevant medical history and concomitant medications were not reported. Vaccination history included: Bnt162b2 (Dose:1), for COVID-19 Immunization, reaction(s): "sore arm"; Bnt162b2 (Dose:2), for COVID-19 Immunization, reaction(s): "sore arm"; Bnt162b2 (Dose:3), administration date: Sep2021, for COVID-19 Immunization, reaction(s): "sore arm". The following information was reported: DIZZINESS (non-serious) with onset Apr2022, outcome "recovering", described as "Dizzy"; MALAISE (non-serious) with onset Apr2022, outcome "recovering", described as "She just wasn't feeling well last week"; FATIGUE (non-serious) with onset Apr2022, outcome "recovering", COUGH (non-serious) with onset Apr2022, outcome "unknown" and all described as "States she was whooped and was so dizzy and so tired"; LOSS OF PERSONAL INDEPENDENCE IN DAILY ACTIVITIES (non-serious) with onset Apr2022, outcome "recovering", described as "non functional"; FATIGUE (non-serious) with onset Apr2022, outcome "recovering", described as "on Monday she felt extreme fatigue"; FEELING ABNORMAL (non-serious) with onset Apr2022, outcome "recovering", described as "on Wednesday she was miserable"; SOMNOLENCE (non-serious), outcome "unknown", described as "sleeping last week so much"; ANXIETY (non-serious), outcome "unknown", described as "she worries about herself". Relevant laboratory tests and procedures are available in the appropriate section. Additional information: Caller states that patient received her 4th dose Pfizer BioNTech COVID vaccine last Sunday and she was convinced by the pharmacist as well to receive the Prevnar 20 vaccine as well. The third shot was received on Sep2021. After receiving both vaccines (Prevnar + COVID vaccine), on Monday she felt extreme fatigue and on Wednesday she was miserable. She suffered last week but she is feeling more normal today. She would like to know if it was a good idea taking those two vaccines together. She has searched it on internet and knows that Prevnar is made by Pfizer and there has been a study about the Pfizer COVID vaccine with the Prevnar vaccine. She just was not feeling well last week but she is better today and is grateful for both vaccines (Pfizer COVID vaccine and Prevnar 20). She and her husband have not yet been infected with COVID. Caller states last time she was at withheld for her 4th shot as she was eligible, and she had the 1st booster back Sep2021. The pharmacist said she was eligible for her 2nd Prevnar and asked her if she wanted to do that and she said yeah ok. She stood there, she said no I don't think that's a good idea and he asked her why not do that and she was like well just maybe get one at a time. States he asked if she had had a reaction any other time and she said no. She is so mad he talked her into it. She got both shots and today she if feeling hopeful she will be alright. Caller states she was so dizzy and fatigued last Wednesday which was day 3 and she thought oh God does she have bladder cancer, she doesn't know.  She was nearly non-functional. States she is on the go constantly all day long. States she was whooped and was so dizzy and so tired. States that today she may be making a turn. Caller is asking was it wise to take both at the same time. States she is feeling better today and has not been feeling like herself. States with time zone and jet lag, 3-hour time difference from withheld but she was sleeping last week so much she worries about herself. States she had a recheck with her gastroenterologist NP after a colonoscopy and told her she took the Pfizer with the Pfizer Prevnar, and she went withheld. Caller states she is not bitter, she said yes to it. States that Pfizer makes Prevnar, and she did internet and it says you can take Prevnar with Pfizer and it said it was compatible and they had done a study. Caller declines to make a report. She doesn't want to get anyone in trouble. Caller states she trusts the product and will take vaccines every week so long as she can get on an airplane. States she had dose 1, 2, and 3 and she had a sore arm and came home after the 1st one and it was 90 minutes of go lay down a minute and nothing extreme. States she was whopped last week but one of those shots is doing good work. Suspect Products were Pfizer COVID vaccine and Prevnar 20. She thinks it is Prevnar 20 and isn't sure. She got the 1st dose at her withheld office, and this is evidence she needs to keep better records of stuff to know what is in her body. Unknown number of Pfizer COVID vaccine, dose 4 and Prevnar 20 was not provided. The information on the batch/lot number for BNT162b2, pneumococcal 20-valent Conjugate vaccine (dipht CRM197 protein) has been requested and will be submitted if and when received.