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Report #2844167

Received Jun 6, 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
Unknown
Age
Age unknown
State
CA
Recovered
Unknown
Vaccinated
Sep 2, 2021
Onset
—
Days to onset
—
Hospital days
—

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
PPVPNEUMO (PNEUMOVAX)MERCK & CO. INC.UNKT016159—
PPVPNEUMO (PNEUMOVAX)MERCK & CO. INC.UNKT034630—

Symptoms (2)

Extra dose administeredNo adverse event

Symptom narrative

HCP called as she was looking over documentation and realized that the patient may have received 2 doses of PNEUMOVAX 23 about 6 months apart (please see below). The HCP was unable to confirm if this was a simple documentation error or if the patient; No additional AE/No PQC.; This spontaneous report was received from other health professional and refers to a patient of unknown age and gender. The patient's pertinent medical history, concurrent conditions, previous drug reactions or allergies and concomitant medications were not reported. On 02-Sep-2021, the patient was vaccinated with Pneumococcal Vaccine, Polyvalent (23-valent) (PNEUMOVAX 23), lot #T016159 which has been verified to be valid, expiration date: 28-Feb-2022, administered at a dose of 0.5 milliters, for prophylaxis (route of administration and anatomical site of injection were not reported). On 02-Mar-2022, the patient was vaccinated with Pneumococcal Vaccine, Polyvalent (23-valent) (PNEUMOVAX 23), lot # T034630 which has been verified to be valid, expiration date: 22-Jun-2022, administered at a dose of 0.5 milliters, for prophylaxis (route of administration and anatomical site of injection not reported). The reporter was looking over documentation and realized that the patient may have received 2 doses of Pneumococcal Vaccine, Polyvalent (23-valent) (PNEUMOVAX 23) about 6 months apart (Extra dose administered). The reporter was unable to confirm if this was a simple documentation error or if the patient actually received two doses. The reason behind the second dose in question was unknown. No additional information and no additional adverse event were reported at the time (no adverse event).