VAERS Explorer
Back to explore

Report #2884349

Received Feb 4, 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
Unknown
Age
Age unknown
State
PA
Recovered
Not recovered
Vaccinated
—
Onset
—
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
PNC20PNEUMO (PREVNAR20)PFIZER\WYETHUNK——

Symptoms (2)

Drug ineffectivePneumonia

Symptom narrative

has had pneumonia since 2024/still has pneumonia; has had pneumonia since 2024/still has pneumonia; This is a spontaneous report received from an Other HCP from License Party. Other Case identifier(s): 02926552 (Merck National Service Center). A patient (age and gender not provided) received pneumococcal 20-val conj vac (dipht CRM197 protein) (PREVNAR 20), in 2024 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), PNEUMONIA (medically significant) all with onset 2024, outcome "not recovered" and all described as "has had pneumonia since 2024/still has pneumonia". Additional information: the patient said he has had pneumonia since 2024 and wanted to know when he could get the CAPVAXIVE injection. Patient mentioned that he still has pneumonia. No follow-up attempts are possible. Batch/lot number is not provided, and it cannot be obtained. PREVNAR 20 is under agreement with MERCK.; Sender's Comments: Vaccine efficacy varies from person to person and is affected by many factors. The association between the event drug ineffective (pneumonia) with the suspect product PNEUMOCOCCAL 20-VAL CONJ VAC (DIPHT CRM197 PROTEIN) cannot be fully excluded.