Report #2840318

Received May 9, 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: —
Onset: —
Days to onset: —
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
PNC20	PNEUMO (PREVNAR20)	PFIZER\WYETH	UNK	—	—

Symptoms (1)

Drug ineffective

Symptom narrative

Doesn't work; constantly seeing ineffectiveness; This is a spontaneous report received from a Physician. A 3-year-old male patient 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: DRUG INEFFECTIVE (medically significant), outcome "unknown", described as "Doesn't work; constantly seeing ineffectiveness".; Sender's Comments: Despite no PREVNAR 20 preventable infection currently provided, the case is conservatively handled as LOE with the suspect vaccine in terms of "Doesn't work; constantly seeing ineffectiveness". More critical information on any infectious condition including pathogen/serotype as a result of 'PREVNAR 20/vaccine ineffectiveness' and vaccination regimen are needed for meaningful causality assessment.