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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.

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  2. Vaccines
  3. Td
  4. Immediate post-injection reaction
Td×Immediate post-injection reaction

Immediate post-injection reaction Reports for Td

#145 most reported symptom for this vaccine

61
Reports
0
Deaths
1
Hospitalizations
0
Mortality Rate
%
1.6
Hosp. Rate
%

Immediate post-injection reaction and Td

Immediate post-injection reaction has been reported 61 times in association with Td vaccination in VAERS. This represents 0.3% of all 20,366 reports for this vaccine.

Among these reports, 0 mentioned death (0.00%) and 1 involved hospitalization (1.6%).

Immediate post-injection reaction is the #145 most frequently reported symptom for Td out of 950 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 61 reports of Immediate post-injection reaction after Td 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 Immediate post-injection reaction occurred after vaccination, not that the vaccine caused it.
•Background rates: Immediate post-injection reaction 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

Migraine62 reportsSwelling face62 reportsSleep disorder61 reportsHyperventilation59 reports

Quick Facts

Reports:61
Deaths:0
Hospitalizations:1
% of Vaccine:0.3%
Rank:#145 of 950

Related Pages

Td OverviewImmediate post-injection reaction (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.