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.
35 adverse event reports (-56% vs 2019)
In 2020, 35 adverse event reports were filed for Yellow Fever (YF-Vax) in VAERS. This represents 0.7% of all 4,996 reports for this vaccine.
Of these reports, 0 mentioned death, 3 involved hospitalization, 8 required ER visits, and 2 reported disability.
Compared to the average of 143 reports per year for this vaccine, 2020 was below average (-76%).
In 2020, reporting for Yellow Fever (YF-Vax) 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 | 143 | 0 | 6 |
| 2024 | 142 | 0 | 2 |
| 2023 | 171 | 0 | 9 |
| 2022 | 133 | 3 | 3 |
| 2021 | 100 | 0 | 2 |
| 2019 | 80 | 0 | 13 |
| 2018 | 91 | 0 | 12 |
| 2017 | 164 | 2 | 4 |
| 2016 | 135 | 1 | 7 |
| 2015 | 214 | 1 | 13 |
| 2014 | 183 | 3 | 14 |
| 2013 | 196 | 3 | 10 |
| 2012 | 199 | 2 | 11 |
| 2011 | 202 | 1 | 23 |
| 2010 | 182 | 1 | 20 |
| 2009 | 186 | 3 | 26 |
| 2008 | 259 | 3 | 46 |
| 2007 | 184 | 0 | 15 |
| 2006 | 187 | 1 | 24 |
| 2005 | 177 | 3 | 26 |
| 2004 | 167 | 1 | 27 |
| 2003 | 152 | 5 | 23 |
| 2002 | 151 | 2 | 12 |
| 2001 | 101 | 0 | 6 |
| 2000 | 94 | 0 | 8 |
| 1999 | 73 | 3 | 8 |
| 1998 | 54 | 2 | 9 |
| 1996 | 60 | 0 | 22 |
| 1994 | 54 | 0 | 9 |
| 1993 | 69 | 0 | 2 |
This data comes from the Vaccine Adverse Event Reporting System (VAERS), jointly managed by CDC and FDA.