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Report #2878947

Received Dec 22, 2025

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
Male
Age
Age unknown
State
—
Recovered
Unknown
Vaccinated
Nov 4, 2025
Onset
Nov 22, 2025
Days to onset
18
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
PNC20PNEUMO (PREVNAR20)PFIZER\WYETHUNK——
PNC21PNEUMO (CAPVAXIVE)MERCK & CO. INC.UNKZ005765—

Symptoms (2)

Extra dose administeredNo adverse event

Symptom narrative

No side effects or symptoms reported. No additional AE; a patient received CAPVAXIVE on 11/04/2025 and then was administered a dose of PREVNAR 20 on 11/22/2025.; This spontaneous report was received from a Physician Assistant and refers to a male patient of unknown age. The patient's concurrent conditions, medical history, previous drug reactions, drug allergies and concomitant therapies were not reported. On 04-Nov-2025, the patient was vaccinated with Pneumococcal 21-valent Conjugate Vaccine (CAPVAXIVE INJ 168 mcg/ml) 0.5 mL (route of administration and site of administration were not provided), lot # Z005765 has been verified to be valid, expiration date not reported but upon internal validation established as 23-Nov-2026, given as prophylaxis. On 22-Nov-2025, the patient was administered a dose of PREVNAR 20 (dose, frequency, route of administration, lot #, expiration date, and indication were not provided) (Inappropriate schedule of product administration). No additional AE.