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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. Pneumococcal (Pneumovax)
  4. Irritability
Pneumococcal (Pneumovax)×Irritability

Irritability Reports for Pneumococcal (Pneumovax)

#102 most reported symptom for this vaccine

330
Reports
4
Deaths
25
Hospitalizations
1.21
Mortality Rate
%
7.6
Hosp. Rate
%

Irritability and Pneumococcal (Pneumovax)

Irritability has been reported 330 times in association with Pneumococcal (Pneumovax) vaccination in VAERS. This represents 0.5% of all 71,157 reports for this vaccine.

Among these reports, 4 mentioned death (1.21%) and 25 involved hospitalization (7.6%).

Irritability is the #102 most frequently reported symptom for Pneumococcal (Pneumovax) out of 2065 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 330 reports of Irritability after Pneumococcal (Pneumovax) vaccination may seem alarming, but context is critical.

The mortality rate of 1.21% warrants monitoring, though VAERS deaths represent temporal associations, not confirmed causal links.

Important Context

•Association, not causation: These reports show Irritability occurred after vaccination, not that the vaccine caused it.
•Background rates: Irritability 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

Burning sensation334 reportsMuscle spasms332 reportsGait disturbance329 reportsSomnolence324 reports

Quick Facts

Reports:330
Deaths:4
Hospitalizations:25
% of Vaccine:0.5%
Rank:#102 of 2065

Related Pages

Pneumococcal (Pneumovax) OverviewIrritability (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.