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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. Influenza, Seasonal (Flulaval Quadrivalent)
  4. Chest X-ray normal
Influenza, Seasonal (Flulaval Quadrivalent)×Chest X-ray normal

Chest X-ray normal Reports for Influenza, Seasonal (Flulaval Quadrivalent)

#171 most reported symptom for this vaccine

200
Reports
2
Deaths
76
Hospitalizations
1
Mortality Rate
%
38
Hosp. Rate
%

Chest X-ray normal and Influenza, Seasonal (Flulaval Quadrivalent)

Chest X-ray normal has been reported 200 times in association with Influenza, Seasonal (Flulaval Quadrivalent) vaccination in VAERS. This represents 0.4% of all 52,111 reports for this vaccine.

Among these reports, 2 mentioned death (1.00%) and 76 involved hospitalization (38.0%).

Chest X-ray normal is the #171 most frequently reported symptom for Influenza, Seasonal (Flulaval Quadrivalent) out of 2354 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 200 reports of Chest X-ray normal after Influenza, Seasonal (Flulaval Quadrivalent) vaccination may seem alarming, but context is critical.

The mortality rate of 1.00% warrants monitoring, though VAERS deaths represent temporal associations, not confirmed causal links.

Important Context

•Association, not causation: These reports show Chest X-ray normal occurred after vaccination, not that the vaccine caused it.
•Background rates: Chest X-ray normal 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

Injection site inflammation202 reportsHypertension201 reportsFacial paralysis199 reportsInjection site haemorrhage196 reports

Quick Facts

Reports:200
Deaths:2
Hospitalizations:76
% of Vaccine:0.4%
Rank:#171 of 2354

Related Pages

Influenza, Seasonal (Flulaval Quadrivalent) OverviewChest X-ray normal (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.