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 in 2021
782 adverse event reports (+27% vs 2020)
2021 Reporting Summary
In 2021, 782 adverse event reports were filed for DTaP in VAERS. This represents 1.2% of all 66,714 reports for this vaccine.
Of these reports, 4 mentioned death, 32 involved hospitalization, 88 required ER visits, and 22 reported disability.
Compared to the average of 1,842 reports per year for this vaccine, 2021 was below average (-58%).
💡 What This Means
In 2021, reporting for DTaP was within typical ranges. As always, VAERS data reflects reports filed, not confirmed adverse events. Trends should be interpreted alongside vaccination volume and population health data.
All Years for DTaP
| Year | Reports | Deaths | Hosp. |
|---|---|---|---|
| 2025 | 763 | 9 | 19 |
| 2024 | 865 | 7 | 27 |
| 2023 | 932 | 2 | 20 |
| 2022 | 777 | 6 | 14 |
| 2021 ← current | 782 | 4 | 32 |
| 2020 | 615 | 2 | 30 |
| 2019 | 1,061 | 6 | 49 |
| 2018 | 875 | 7 | 40 |
| 2017 | 1,104 | 10 | 45 |
| 2016 | 1,067 | 11 | 47 |
| 2015 | 1,201 | 3 | 49 |
| 2014 | 1,145 | 8 | 67 |
| 2013 | 1,398 | 15 | 97 |
| 2012 | 1,314 | 6 | 70 |
| 2011 | 1,566 | 12 | 101 |
| 2010 | 1,780 | 7 | 110 |
| 2009 | 2,193 | 17 | 154 |
| 2008 | 3,330 | 21 | 253 |
| 2007 | 3,817 | 29 | 348 |
| 2006 | 3,479 | 39 | 207 |
| 2005 | 3,703 | 38 | 194 |
| 2004 | 4,560 | 106 | 231 |
| 2003 | 5,168 | 87 | 297 |
| 2002 | 4,833 | 135 | 358 |
| 2001 | 4,144 | 104 | 383 |
| 2000 | 3,077 | 88 | 318 |
| 1999 | 2,537 | 79 | 401 |
| 1998 | 1,780 | 63 | 169 |
| 1997 | 1,215 | 39 | 123 |
| 1996 | 549 | 3 | 43 |
| 1995 | 405 | 0 | 36 |
| 1994 | 333 | 2 | 33 |
| 1993 | 188 | 1 | 22 |
| 1992 | 68 | 0 | 5 |
Understanding Yearly Data
Quick Facts
Data Source
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.