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Report #2890124

Received Mar 20, 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
78 yrs
State
CA
Recovered
Unknown
Vaccinated
Jan 8, 2026
Onset
Mar 18, 2026
Days to onset
69
Hospital days

Vaccines (2)

TypeNameManufacturerDoseLotRoute / Site
PNC21PNEUMO (CAPVAXIVE)MERCK & CO. INC.UNK
PNC21PNEUMO (CAPVAXIVE)MERCK & CO. INC.UNK

Symptoms (2)

Extra dose administeredNo adverse event

Symptom narrative

No additional AE; administration of an extra dose of CAPVAXIVE; This spontaneous report was received from a/an Nurse and refers to a(n) 78-year-old patient of unknown gender. The patient's medical history was not reported. The patient's concurrent conditions were not reported. Concomitant therapies were not reported. Nurse called and reported inadvertent administration of an extra dose of Pneumococcal 21-valent Conjugate Vaccine (CAPVAXIVE): on 08-JAN-2026, the patient received a dose of Pneumococcal 21-valent Conjugate Vaccine (CAPVAXIVE) (1 dosage form, total), administered for prophylaxis (exact dose, route, lot# and expiration date were not reported). Then, on 18-MAR-2026, the patient also inadvertently received a dose of Pneumococcal 21-valent Conjugate Vaccine (CAPVAXIVE) (1 dosage form, total), administered for prophylaxis (exact dose, route, lot# and expiration date were not reported) (Extra dose administered). Limited patient demographics provided. No additional AE/no PQC (No adverse event). Lot# is being requested and will be submitted if received.