Lightheaded/ Woozy; Very tired; little red spot, and thinks it was the left arm; This is a spontaneous report from a contactable consumer this consumer (patient's mother) reported for a 41-year-old male patient that received bnt162b2 (BNT162B2, Pfizer-BioNTech Covid-19 mRNA Vaccine, Solution for injection, Batch/Lot number was not reported), dose 2 via an unspecified route of administration, administered in Arm Left (Unknown, thinks left arm) on an unspecified date as DOSE 2, SINGLE for covid-19 immunisation. The patient medical history and concomitant medications were not reported. Caller states he takes no medications and has no medical conditions. Caller states he does not smoke and doesn't drink hard alcohol, occasionally has a beer. History of all previous immunization with the Pfizer vaccine considered as suspect Pfizer BioNTech Covid 19 Vaccine, first dose(Historical vaccine includes dose 1 bnt162b2 (BNT162B2) on an unspecified date only Additional Vaccines Administered on Same Date of the Pfizer Suspect was none. Relevant Tests or family history relevant none. On an unspecified date in 2021 patient experienced lightheaded, very tired, woozy, little red spot, and thinks it was the left arm. Caller had read an article in a magazine with title "Low down on Vaccines" about the mRna triggering the immune system to react. She asked if mRna in the vaccine is from the virus. Her husband, 72 years old had side effects with Moderna Covid Vaccine. Caller asked for the NHI number. Caller asked if she could take the Pfizer Covid -19 vaccine. Response: Spoke from the attached document. Referred to HCP. No investigation Assessment. her son got Pfizer but after his second shot was only woozy when he woke up the next day, stayed home from work was really tired, and didn't have headache or chills, he just felt tired and slept for like five hours the next day after he got up in the morning. Caller agrees to do report, but states her cell phone she's been on the phone for like an hour now and hopes her cell phone doesn't die out. Caller declined to provide details, states he's in excellent health and hasn't been to doctor in years. No further details provided. Caller unsure of date of first or second dose, Around a week before her husband, States he had his second shot before husband had his first shot, was 21 days apart. Caller thinks sometime in early May. Caller does not have vaccine card or details of first or second dose, states her son carries in his wallet and he's at work. Caller thinks he received in his left arm, but not sure. States after second dose he had a little red spot for two days, and thinks it was the left arm. Caller clarifies no swelling just a red spot. Caller adds he's probably usually tired has to get up and goes to work at 0630, job's real physical. Caller adds he's had no vaccinations ever, then clarifies he had hepatitis shots at a previous job at a care home, years ago they required it, she thought it was ridiculous they made him do that. Caller states as an adult 2 hepatitis shots over seven years ago, but no side effects at all. Caller states when he was a baby, he had a bad reaction to measles, mumps, and rubella vaccination, and it was his first or second shot, he was not that old. Caller can't remember if first or second shot, he had high fever, stopped breathing for a second, she walked in and he was blue, and she had to pick him up and he was ok. Clarifies it was several hours afterwards, states he was like stiff and seemed like he wasn't breathing, picked him up and he was ok. No further details provided or available for vaccination information including any lot numbers, states that was 41 years ago. States he was no more than 5-6 months old, she doesn't remember if first or second dose, doesn't know when they give them their first dose. Caller adds he was awake, feverish, couldn't catch his breath, it was alarming. Caller states again, it was 41 years ago. Caller states fever probably lasted a couple hours that day, can't remember. Confirms she did not do any treatment for this event, states he was ok, picked him up and nursed him, she nursed until he was 2 years old. caller wants to know if the vaccine elements go into the kidneys, brain or any other organ. She said she knows how it works and is concerned because she used to have a kidney disease but is cured now, Her son had side effects after getting the second dose. he was very tired. Emergency Room/ Physician Office not required. The outcome of all events was recovered on an unspecified date in 2021.   Follow-up (09Jun2021): This is a follow up spontaneous report from a contactable consumer. A consumer (patient's mother) reported for a 41-year-old male patient that:  Information about lot/batch number has been requested.