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.
2,946 adverse event reports (-50% vs 2022)
In 2023, 2,946 adverse event reports were filed for Vaccine Not Specified in VAERS. This represents 9.9% of all 29,669 reports for this vaccine.
Of these reports, 36 mentioned death, 183 involved hospitalization, 249 required ER visits, and 117 reported disability.
Compared to the average of 1,022 reports per year for this vaccine, 2023 was above average (+188%).
In 2023, reporting for Vaccine Not Specified 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. |
|---|---|---|---|
| 2026 | 63 | 1 | 6 |
| 2025 | 1,407 | 17 | 219 |
| 2024 | 1,623 | 14 | 89 |
| 2023 ← current | 2,946 | 36 | 183 |
| 2022 | 5,861 | 53 | 353 |
| 2021 | 9,612 | 215 | 702 |
| 2020 | 1,865 | 7 | 74 |
| 2019 | 1,767 | 20 | 142 |
| 2018 | 365 | 1 | 11 |
| 2017 | 295 | 0 | 7 |
| 2016 | 166 | 0 | 4 |
| 2015 | 141 | 1 | 3 |
| 2014 | 93 | 1 | 1 |
| 2013 | 119 | 0 | 5 |
| 2012 | 141 | 0 | 4 |
| 2011 | 127 | 1 | 7 |
| 2010 | 207 | 2 | 9 |
| 2009 | 252 | 1 | 7 |
| 2008 | 214 | 2 | 14 |
| 2007 | 314 | 1 | 14 |
| 2006 | 178 | 0 | 4 |
| 2005 | 149 | 0 | 7 |
| 2004 | 151 | 2 | 4 |
| 2003 | 129 | 3 | 6 |
| 2002 | 169 | 5 | 8 |
| 2001 | 77 | 1 | 6 |
| 2000 | 113 | 2 | 11 |
| 1999 | 65 | 0 | 4 |
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.