didn't like the way he felt; This is a spontaneous report from a contactable consumer. This consumer (patient's mother) reported for a 16-year-old male patient received bnt162b2 (PFIZER-BIONTECH COVID-19-19 mRNA VACCINE, Formulation: Solution for injection, Jun2021 (Batch/Lot number was not reported)), dose 1 via an unspecified route of administration on as dose 1, single for covid-19 immunisation. The patient's medical history and concomitant medications were not reported. The patient experienced didn't like the way he felt on an unspecified date. Caller states she was calling to have some questions answered regarding her son who a withheld old male is. Caller states her son received his first dose of the vaccine in mid-June and he was fearful of getting the second dose and had putting it off. Caller states all of his friends have been deathly sick after the second dose, and he was afraid to get it. Caller would like to know if you had significant side effects with the first dose will you have worse side effects with the second dose. Caller states her son stated that he didn't like the way he felt and thought the side effects were horrible and he was afraid to receive the second dose. Caller states she didn't think his side effects were that bad. Caller would like to know what the recommendation regarding the second dose is if you had a reaction to the first dose. As noted in the Fact Sheet for Recipients, you should not get the Pfizer-BioNTech COVID-19 Vaccine if you had a severe allergic reaction after a previous dose of the vaccine or if you had a severe allergic reaction to any ingredient of the vaccine. The decision to receive the second dose for any other reason cannot be made by Pfizer. We refer you to speak to your healthcare provider about the risks of the vaccine compared to the risks of potentially not being fully protected against COVID-19 infection. Your healthcare provider knows your health situation and has access to information that can better help inform this decision. Caller enquired that it would like to know for people who have a severe allergic reaction to the first dose how effective is the vaccine and what do people do with just the one dose. Caller would like to know if it has been too long of a wait for her son to receive the second dose. Caller states it had about 8 weeks. Caller would like to know if the series would need to be restarted if given after 6 weeks. Caller would like to know if her son can receive a lower dose for his second dose. Caller would like to know if children who are 12 receive the same dose and if not, when will the lower dose be available. Side effects with first dose of Pfizer Covid vaccine, and all this friend got deathly sick from the second dose. Caller did not have any details to provide. She did not think they were serious, but her son thought they were. He was scared to get the second dose, got first dose in mid JUN 2021, has not gotten second dose. If he does get the dose it will be outside the 42-day range. Agent states the caller disconnected during transfer. The outcome of the event was unknown.  The lot number for the vaccine, [BNT162B2], was not provided and will be requested during follow up.