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Report #2901472

Received Jun 25, 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
NJ
Recovered
Unknown
Vaccinated
Onset
Days to onset
Hospital days

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
PNC20PNEUMO (PREVNAR20)PFIZER\WYETHUNK

Symptoms (2)

Peripheral swellingPruritus

Symptom narrative

her arm had gotten swollen and itchy; her arm had gotten swollen and itchy; This is a spontaneous report received from a Nurse. Other Case identifier(s): 03016710 (MERCK). A female patient received pneumococcal 20-val conj vac (dipht CRM197 protein) (PREVNAR 20), as dose number unknown, single (Batch/Lot number: unknown), in arm for immunisation. The patient's relevant medical history included: "Breast cancer" (ongoing). The patient's concomitant medications were not reported. The following information was reported: PERIPHERAL SWELLING (non-serious), PRURITUS (non-serious), outcome "unknown" and all described as "her arm had gotten swollen and itchy". Additional information: Inbound call from nurse to report other company AE for PREVNAR-20. Caller noted that the patient, currently diagnosed with breast cancer, had a reaction to PRENVAR-20 around 8 years ago, noting that her arm had gotten swollen and itchy. Batch/lot number is not provided, and it cannot be obtained.

Current illness

Breast cancer female