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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. COVID-19 Vaccine
  4. Symptom recurrence
COVID-19 Vaccine×Symptom recurrence

Symptom recurrence Reports for COVID-19 Vaccine

#582 most reported symptom for this vaccine

828
Reports
1
Deaths
666
Hospitalizations
0.12
Mortality Rate
%
80.4
Hosp. Rate
%

Symptom recurrence and COVID-19 Vaccine

Symptom recurrence has been reported 828 times in association with COVID-19 Vaccine vaccination in VAERS. This represents 0.1% of all 1,121,388 reports for this vaccine.

Among these reports, 1 mentioned death (0.12%) and 666 involved hospitalization (80.4%).

Symptom recurrence is the #582 most frequently reported symptom for COVID-19 Vaccine out of 9223 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 828 reports of Symptom recurrence after COVID-19 Vaccine vaccination may seem alarming, but context is critical. With 1,121,388 total reports for this vaccine (representing many millions of doses), Symptom recurrence appears in only 0.1% of reports.

The mortality rate among these reports is very low at 0.12%, suggesting most cases are non-fatal.

Important Context

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

Septic shock837 reportsAccidental underdose828 reportsTroponin I826 reportsMagnetic resonance imaging neck826 reports

Quick Facts

Reports:828
Deaths:1
Hospitalizations:666
% of Vaccine:0.1%
Rank:#582 of 9223

Related Pages

COVID-19 Vaccine OverviewSymptom recurrence (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.