Important: VAERS reports alone cannot determine if a vaccine caused an adverse event. Reports may contain incomplete, inaccurate, or unverified information. Correlation does not equal causation.
#663 most reported symptom for this vaccine
White blood cell count has been reported 29 times in association with Measles, Mumps & Rubella (MMR II) vaccination in VAERS. This represents 0.0% of all 89,976 reports for this vaccine.
Among these reports, 0 mentioned death (0.00%) and 10 involved hospitalization (34.5%).
White blood cell count is the #663 most frequently reported symptom for Measles, Mumps & Rubella (MMR II) out of 2292 total symptoms.
Disclaimer: VAERS reports describe events that occurred after vaccination but do not establish that the vaccine caused the event. Many reported symptoms may be coincidental or related to underlying conditions.
Seeing 29 reports of White blood cell count after Measles, Mumps & Rubella (MMR II) vaccination may seem alarming, but context is critical.
The mortality rate among these reports is very low at 0.00%, suggesting most cases are non-fatal.
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.