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.
3,530 adverse event reports (-9% vs 2003)
In 2004, 3,530 adverse event reports were filed for Polio (Inactivated) (Ipol) in VAERS. This represents 8.0% of all 44,360 reports for this vaccine.
Of these reports, 91 mentioned death, 177 involved hospitalization, 1,343 required ER visits, and 42 reported disability.
Compared to the average of 1,206 reports per year for this vaccine, 2004 was above average (+193%).
In 2004, reporting for Polio (Inactivated) (Ipol) 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.
| Year | Reports | Deaths | Hosp. |
|---|---|---|---|
| 2025 | 530 | 0 | 11 |
| 2024 | 691 | 4 | 15 |
| 2023 | 583 | 1 | 4 |
| 2022 | 534 | 5 | 7 |
| 2021 | 419 | 0 | 16 |
| 2020 | 348 | 0 | 19 |
| 2019 | 534 | 2 | 18 |
| 2018 | 446 | 3 | 19 |
| 2017 | 541 | 4 | 25 |
| 2016 | 631 | 4 | 24 |
| 2015 | 549 | 0 | 20 |
| 2014 | 631 | 0 | 42 |
| 2013 | 735 | 10 | 55 |
| 2012 | 689 | 5 | 39 |
| 2011 | 888 | 10 | 50 |
| 2010 | 1,031 | 5 | 52 |
| 2009 | 1,325 | 17 | 98 |
| 2008 | 2,387 | 20 | 202 |
| 2007 | 2,778 | 24 | 271 |
| 2006 | 2,745 | 31 | 174 |
| 2005 | 2,994 | 35 | 171 |
| 2004 ← current | 3,530 | 91 | 177 |
| 2003 | 3,887 | 86 | 235 |
| 2002 | 3,659 | 125 | 286 |
| 2001 | 3,191 | 94 | 338 |
| 2000 | 2,265 | 75 | 260 |
| 1999 | 1,165 | 72 | 299 |
| 1998 | 611 | 49 | 85 |
| 1997 | 344 | 31 | 50 |
| 1996 | 88 | 1 | 17 |
| 1995 | 64 | 1 | 7 |
| 1994 | 68 | 5 | 6 |
| 1993 | 72 | 3 | 6 |
| 1992 | 56 | 1 | 8 |
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.