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Data source: VAERS (Vaccine Adverse Event Reporting System)

Data through 2026 · Updated quarterly

Built by TheDataProject.ai · © 2026 VaccineWatch

Important: VAERS accepts reports of adverse events following vaccination. For any given report, there is no certainty that the reported event was caused by the vaccine. Reports may contain information that is incomplete, inaccurate, coincidental, or unverifiable. Most reports to VAERS are voluntary, which means they are subject to biases. This data cannot be used to determine if vaccines cause or contribute to adverse events.

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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.

  1. Home
  2. Vaccines
  3. Measles, Mumps & Rubella (MMR II)
  4. Neutrophil count
Measles, Mumps & Rubella (MMR II)×Neutrophil count

Neutrophil count Reports for Measles, Mumps & Rubella (MMR II)

#1045 most reported symptom for this vaccine

13
Reports
0
Deaths
6
Hospitalizations
0
Mortality Rate
%
46.2
Hosp. Rate
%

Neutrophil count and Measles, Mumps & Rubella (MMR II)

Neutrophil count has been reported 13 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 6 involved hospitalization (46.2%).

Neutrophil count is the #1045 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.

What This Means

Seeing 13 reports of Neutrophil 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.

Important Context

•Association, not causation: These reports show Neutrophil count occurred after vaccination, not that the vaccine caused it.
•Background rates: Neutrophil count may occur naturally at baseline rates in the population, unrelated to vaccination.
•Anyone can report: VAERS accepts reports from anyone — patients, parents, healthcare providers — without requiring medical verification.
•Denominator missing: VAERS counts reports, not rates per dose. Without knowing how many doses were given, raw counts can be misleading. Learn more →

Similarly Ranked Symptoms

Gastroenteritis viral13 reportsEar tube insertion13 reportsNo adverse reaction13 reportsUrine human chorionic gonadotropin positive13 reports

Quick Facts

Reports:13
Deaths:0
Hospitalizations:6
% of Vaccine:0.0%
Rank:#1045 of 2292

Related Pages

Measles, Mumps & Rubella (MMR II) OverviewNeutrophil count (All Vaccines)Why Raw Numbers MisleadTop Symptoms Analysis

Data Source

This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.