VAERS Explorer
Back to explore

Report #2869843

Received Oct 31, 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
—
Recovered
Unknown
Vaccinated
Sep 18, 2025
Onset
Oct 1, 2025
Days to onset
13
Hospital days
—

Vaccines (1)

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

Symptoms (1)

Pneumonia

Symptom narrative

she received PNEUMOVAX 23 on 09/18/2025, then got pneumonia a month later.; This spontaneous report was received from a consumer reporting on themselves and refers to a patient of unknown age and gender. The patient's medical history, concurrent conditions and concomitant therapies were not reported. On 18-Sep-2025, the patient was vaccinated with Pneumococcal Vaccine, Polyvalent (23-valent) (PNEUMOVAX 23) solution for injection (exact dose, dose number, route of administration, anatomical location, lot # and expiration date were not reported), for prophylaxis. In approximately October 2025 (reported as "a month later"), the patient experienced pneumonia. The outcome of the event was not reported. The action taken with the suspect vaccine regarding the event was not reported but assessed as not applicable. The causal relationship between pneumonia and Pneumococcal Vaccine, Polyvalent (23-valent) (PNEUMOVAX 23) was not provided. Upon internal review, the event of pneumonia was determined to be medically significant.