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Report #2897092

Received May 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
MA
Recovered
Recovered
Vaccinated
—
Onset
Apr 1, 2025
Days to onset
—
Hospital days
—

Vaccines (1)

TypeNameManufacturerDoseLotRoute / Site
PNC20PNEUMO (PREVNAR20)PFIZER\WYETH1——

Symptoms (2)

Injection site erythemaInjection site swelling

Symptom narrative

Swelling at the injection site post vaccination; Redness at the injection site post vaccination; This is a spontaneous report received from a Physician from a sales representative. An elderly female patient (not pregnant) received pneumococcal 20-val conj vac (dipht CRM197 protein) (PREVNAR 20), as dose 1, single (Batch/Lot number: unknown) for immunisation. The patient's relevant medical history included: "Drug allergy" (unspecified if ongoing). The patient's concomitant medications were not reported. The following information was reported: VACCINATION SITE ERYTHEMA (non-serious) with onset Apr2025, outcome "recovered", described as "Redness at the injection site post vaccination"; VACCINATION SITE SWELLING (non-serious) with onset Apr2025, outcome "recovered", described as "Swelling at the injection site post vaccination". Therapeutic measures were taken as a result of vaccination site swelling, vaccination site erythema. Additional information: Patient reported redness and swelling at injection site post vaccination. The doctor recommended ice and Tylenol to treat symptoms and symptoms resolved within a few days. The information on the batch/lot number for pneumococcal 20-val conj vac (dipht CRM197 protein) will be requested and submitted if and when received.

Medical history

Medical History/Concurrent Conditions: Drug allergy