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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. Hepatitis B (Engerix-B)
  4. Amino acid level normal
Hepatitis B (Engerix-B)×Amino acid level normal

Amino acid level normal Reports for Hepatitis B (Engerix-B)

#1257 most reported symptom for this vaccine

9
Reports
0
Deaths
2
Hospitalizations
0
Mortality Rate
%
22.2
Hosp. Rate
%

Amino acid level normal and Hepatitis B (Engerix-B)

Amino acid level normal has been reported 9 times in association with Hepatitis B (Engerix-B) vaccination in VAERS. This represents 0.0% of all 73,280 reports for this vaccine.

Among these reports, 0 mentioned death (0.00%) and 2 involved hospitalization (22.2%).

Amino acid level normal is the #1257 most frequently reported symptom for Hepatitis B (Engerix-B) out of 2382 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 9 reports of Amino acid level normal after Hepatitis B (Engerix-B) 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 Amino acid level normal occurred after vaccination, not that the vaccine caused it.
•Background rates: Amino acid level 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

Skin laceration9 reportsEar tube insertion9 reportsMean cell haemoglobin normal9 reportsAutoimmune hepatitis9 reports

Quick Facts

Reports:9
Deaths:0
Hospitalizations:2
% of Vaccine:0.0%
Rank:#1257 of 2382

Related Pages

Hepatitis B (Engerix-B) OverviewAmino acid level 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.