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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.

Abortion spontaneous

2,369 total reports8.7% serious outcomes

Abortion spontaneous appears in 2,369 VAERS reports across all vaccines. Of these, 3 reports also mentioned death and 203 involved hospitalization. The severity rate (deaths + hospitalizations as a percentage of reports) is 8.7%. The top vaccines associated with this symptom are COVID-19, HPV (Gardasil), Flu (Trivalent). Remember: VAERS reports show temporal association, not causation.

2,369

Total Reports

Deaths

203

Hospitalizations

8.7

Severity Rate

% serious outcomes

About Abortion spontaneous Reports

Abortion spontaneous has been reported 2,369 times in VAERS from 1990 to 2026.

Of these reports, 3 were associated with death (0.13%) and 203 involved hospitalization.

The overall serious outcome rate (death or hospitalization) for reports mentioning Abortion spontaneous is 8.7%.

Understanding Abortion spontaneous in VAERS

•Temporal association only: These reports show Abortion spontaneous 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 Abortion spontaneous. 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.