Report #2854917

Received Aug 20, 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: Recovered
Vaccinated: Mar 13, 2025
Onset: —
Days to onset: —
Hospital days: —

Vaccines (1)

Type	Name	Manufacturer	Dose	Lot	Route / Site
COVID19	COVID19 (COVID19 (MODERNA))	MODERNA	UNK	—	IM

Symptoms (1)

Haematological neoplasm

Symptom narrative

blood cancer; This spontaneous case was reported by a consumer and describes the occurrence of HAEMATOLOGICAL NEOPLASM (blood cancer) in a male patient of an unknown age who received mRNA-1273.712 (SPIKEVAX 2024-2025 PFS) for COVID-19 prophylaxis. No Medical History information was reported. On 13-Mar-2025, the patient received dose of mRNA-1273.712 (SPIKEVAX 2024-2025 PFS) (Intramuscular use) 1 dosage form. On an unknown date, the patient experienced HAEMATOLOGICAL NEOPLASM (blood cancer) (seriousness criterion medically significant). At the time of the report, HAEMATOLOGICAL NEOPLASM (blood cancer) had resolved. The action taken with mRNA-1273.712 (SPIKEVAX 2024-2025 PFS) (Intramuscular use) was unknown. No concomitant medication was reported. It was stated that patient has blood cancer they did not knew when it started or if the vaccine impacted it in any ways. It was unknown if the patient experienced any additional symptoms/events. No treatment information was reported.; Reporter's Comments: Company comment: The benefit-risk relationship of product is not affected by this report.