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.
5,884 adverse event reports (+19% vs 2024)
In 2025, 5,884 adverse event reports were filed for Influenza, Seasonal (Fluvirin) in VAERS. This represents 4.9% of all 119,695 reports for this vaccine.
Of these reports, 50 mentioned death, 237 involved hospitalization, 697 required ER visits, and 90 reported disability.
Compared to the average of 3,072 reports per year for this vaccine, 2025 was above average (+92%).
In 2025, reporting for Influenza, Seasonal (Fluvirin) 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 | 363 | 4 | 15 |
| 2025 ← current | 5,884 | 50 | 237 |
| 2024 | 4,962 | 33 | 198 |
| 2023 | 63 | 2 | 4 |
| 2022 | 86 | 0 | 3 |
| 2021 | 174 | 0 | 12 |
| 2020 | 464 | 6 | 24 |
| 2019 | 2,659 | 7 | 80 |
| 2018 | 3,375 | 7 | 136 |
| 2017 | 4,752 | 9 | 169 |
| 2016 | 7,164 | 24 | 267 |
| 2015 | 9,396 | 29 | 396 |
| 2014 | 7,119 | 31 | 435 |
| 2013 | 7,441 | 34 | 450 |
| 2012 | 7,096 | 32 | 465 |
| 2011 | 7,172 | 49 | 553 |
| 2010 | 7,996 | 44 | 596 |
| 2009 | 5,746 | 43 | 436 |
| 2008 | 4,186 | 21 | 284 |
| 2007 | 3,395 | 28 | 241 |
| 2006 | 2,438 | 21 | 205 |
| 2005 | 2,840 | 32 | 212 |
| 2004 | 2,265 | 42 | 152 |
| 2003 | 1,948 | 59 | 174 |
| 2002 | 1,813 | 14 | 161 |
| 2001 | 1,504 | 28 | 130 |
| 2000 | 1,688 | 19 | 104 |
| 1999 | 1,569 | 17 | 138 |
| 1998 | 1,653 | 24 | 138 |
| 1997 | 1,707 | 25 | 156 |
| 1996 | 1,294 | 21 | 123 |
| 1995 | 1,117 | 25 | 140 |
| 1994 | 1,140 | 21 | 130 |
| 1993 | 410 | 15 | 68 |
| 1992 | 454 | 25 | 78 |
| 1991 | 245 | 12 | 51 |
| 1990 | 94 | 6 | 15 |
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.