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Report #2882285

Received Jan 19, 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
Female
Age
Age unknown
State
—
Recovered
Unknown
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

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

Symptoms (1)

Antibody test negative

Symptom narrative

her titers showed that she had no immunity to pneumonia; This spontaneous report was received from a consumer or other non-health professional and refers to a female patient of unknown age. The patient's medical history, concurrent conditions, concomitant therapies, previous drugs reactions and allergies were not reported. On an unknown date in 2022, the patient was vaccinated with a dose of pneumococcal vaccine, polyvalent (23-valent) (PNEUMOVAX 23), solution for injection, at a dose of 0.5 milliliters (mL), administered as prophylaxis (strength, Lot No., expiration date, dose number, route and anatomical location of administration and vaccination scheme frequency were not provided). On an unspecified date, the patient had a bloodwork test done, in which her titers showed that she had no immunity to pneumonia (antibody test negative). At the reporting time, the outcome of the event was unknown. The causal relationship between the event with the suspect vaccine was not provided.

Lab data

Test Name: bloodwork tests; Result Unstructured Data: titers showed that she had no immunity to pneumonia