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Report #2894226

Received Apr 24, 2026

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex
Unknown
Age
Age unknown
State
SC
Recovered
Unknown
Vaccinated
Onset
Days to onset
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
PNC20PNEUMO (PREVNAR20)PFIZER\WYETHUNK

Symptoms (1)

Allergy to vaccine

Symptom narrative

It is a vaccine actually, patient stated that they were allergic to Prevnar.; This is a spontaneous report received from a Physician. A patient (age and gender not provided) received pneumococcal 20-val conj vac (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. The following information was reported: ALLERGY TO VACCINE (non-serious), outcome "unknown", described as "It is a vaccine actually, patient stated that they were allergic to Prevnar." Additional information: A Pfizer Sales Representative reported a drug issue that had occurred at a doctor's office. The representative clarified that the product was a vaccine and noted that a patient had stated they were allergic to Prevnar (further specified as Prevnar 20). According to the representative, the physician requested information and expressed a desire to speak with a medical professional or a physician from Pfizer. When the concern was clarified, the representative reiterated that the physician had a patient who had experienced a reaction to Prevnar 20 and confirmed that the physician wanted to speak with someone from Pfizer's medical department. The information on the batch/lot number for pneumococcal 20-val conj vac (dipht CRM197 protein) will be requested and submitted if and when received.