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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.

DTaP×Pyrexia

Pyrexia Reports for DTaP

#2 most reported symptom for this vaccine

13,012
Reports
161
Deaths
1,730
Hospitalizations
1.24
Mortality Rate
%
13.3
Hosp. Rate
%

Pyrexia and DTaP

Pyrexia has been reported 13,012 times in association with DTaP vaccination in VAERS. This represents 19.5% of all 66,714 reports for this vaccine.

Among these reports, 161 mentioned death (1.24%) and 1,730 involved hospitalization (13.3%).

Pyrexia is the #2 most frequently reported symptom for DTaP out of 1943 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 13,012 reports of Pyrexia after DTaP vaccination may seem alarming, but context is critical.

The mortality rate of 1.24% warrants monitoring, though VAERS deaths represent temporal associations, not confirmed causal links.

Important Context

Association, not causation: These reports show Pyrexia occurred after vaccination, not that the vaccine caused it.
Background rates: Pyrexia 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 →

Quick Facts

Reports:13,012
Deaths:161
Hospitalizations:1,730
% of Vaccine:19.5%
Rank:#2 of 1943

Data Source

This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.