sore arm; tested positive for Covid-19 disease; tested positive for Covid-19 disease; fever; so stuffy and nasally; This is a spontaneous report from a contactable consumer (parent) from a Pfizer-sponsored program. A 13-year-old male patient received BNT162B2 (PFIZER-BIONTECH COVID-19 mRNA VACCINE, Solution for injection), dose 1 via an unspecified route of administration, administered in Arm Left on 19May2021 (Lot Number: EW0186: Expiration Date: Aug2021) as single dose, dose 2 via an unspecified route of administration, administered in Arm Left on 09Jun2021 (Lot number: EW0178) as single dose for COVID-19 immunization. Medical history included sinus infection. There were no concomitant medications. Hasn't gotten the Flu shot yet. Patient wasn't on anything. Tried to get patient to take a regular vitamin every day. The patient was given Zyrtec for a sinus infection in the past to see if it will work. Stated in hours he felt better. The patient received the first dose on 19May2021 and 2nd Pfizer Covid vaccine dose on 09Jun2021. After both doses, only had a sore arm. Gave patient Advil and Tylenol once or twice. After patient's COVID-19 Vaccines, he never spiked a fever, never threw up. After first dose, patient stayed home from school. Caller heard a lot of kids were out of school after the first dose COVID-19 Vaccine. Stated it's like the Flu shot. Confirmed caller had no patient information or NDC/LOT/EXP to provide. Stated she was referring to kids at (address). Patient received second dose of Pfizer BioNTech COVID-19 vaccine on 09Jun2021. Since then, tested positive for COVID-19 Virus. Taking Zyrtec to alleviate some of his symptoms. Only place patient had been to was to school and back on the bus. First symptoms appeared 21Sep2021. Gave patient Tylenol twice on 22Sep2021 and that was because of his fever. He sounded nasally. Didn't know what was going on. Caller told patient to take a couple Tylenol, but she doesn't think the patient did. Temperature was 100.03, that happened early in the afternoon around 2:30PM. After dinner, it wore off and patient took two more Tylenol. Thursday (23Sep2021) morning, he sounded better and had no temperature. After dinner, before 7PM, fever was back to 100.03. Took another Tylenol and Zyrtec. He then tested positive for Covid-19 disease on 24Sep2021. The COVID-19 test was up the nose and was told it could take up to t48 hours. Was performed at the Urgent care at the hospital. Thinks the regular Zyrtec helped dry up patient's nose. It was reported that would have never know the patient was so stuffy and nasally. States patient was all better and would never know anything happened two weeks ago. Caller uses Zyrtec to stay healthy. Had given it to the patient for a sinus infection in the past to see if it will work. States in hours he was better. Caller states Claritin probably works. She only believes in Zyrtec. Confirmed caller's son was the only one who tested positive for COVID-19. Caller's husband had his two Moderna COVID-19 Vaccines at the end of Feb2021, Mar2021, or beginning of Apr2021. 08Apr2021-09Apr2021, caller had the Johnson&Johnson COVID-19 Vaccine because it was one shot and done. She hates needles. On 20Sep2021, caller had a COVID test because of her surgery on her arm. Results were negative. She and her husband had no symptoms. The reporter wanted to know how effective the vaccine was in 13 y/o against the coronavirus, what the prognosis is and if the booster would come out, he should get it and would it be more effective. Outcome of the covid-19, sore arm was unknown; fever, stuffy nose was recovered on an unspecified date in 2021.