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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.
Local reaction
5,870 total reports2.0% serious outcomes
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5,870
Total Reports
1
Deaths
116
Hospitalizations
2
Severity Rate
% serious outcomes
About Local reaction Reports
Local reaction has been reported 5,870 times in VAERS from 1990 to 2026.
Of these reports, 1 were associated with death (0.02%) and 116 involved hospitalization.
The overall serious outcome rate (death or hospitalization) for reports mentioning Local reaction is 2.0%.
Understanding Local reaction in VAERS
•Temporal association only: These reports show Local reaction occurred after vaccination, not necessarily because of vaccination.
•Background rates matter: Many symptoms occur naturally at baseline rates in the population, unrelated to vaccination.
•Reporting variability: Medical terminology may be used differently by various healthcare providers and over time.
•Investigation needed: High-frequency reports may trigger further epidemiological studies to determine causation.
What This Data Shows
Most Associated Vaccines: The vaccines most frequently mentioned in reports with Local reaction. This may reflect usage patterns, not causation.
Severity Patterns: The percentage of reports that involve serious outcomes can help prioritize safety investigations.
Reporting Trends: Changes in reporting frequency over time may reflect increased awareness, media attention, or actual safety signals.
Most Associated Vaccines
1. PPV960
2. VARCEL840
3. VARZOS821
4. FLU3800
5. TDAP691
6. MNQ487
7. DTAP477
8. COVID19421
9. MMR415
10. PNC13391
Detailed Breakdowns
Quick Facts
Reports:5,870
Deaths:1
Hospitalizations:116
Mortality Rate:0.02%
Severity Rate:2.0%
Related Analysis
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Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.