| Year | Causative Agent | |||
|---|---|---|---|---|
| Bacteria | Viruses | |||
| Outbreaks | Persons affected | Outbreaks | Persons affected | |
| 2001 | 529 | 2,082 | 45 | 393 |
| 2002 | 546 | 2,204 | 55 | 235 |
| 2003 | 333 | 1,851 | 58 | 270 |
| 2004 | 637 | 2,441 | 71 | 283 |
| 2005 | 740 | 2,838 | 103 | 466 |
| 2006 | 838 | 3,218 | 183 | 768 |
| 2007 | 500 | 1,689 | 47 | 169 |
| 2008 | 494 | 2,105 | 58 | 241 |
| 2009 | 318 | 1,281 | 42 | 178 |
| 2010 | 246 | 901 | 15 | 53 |
| 2011 | 269 | 1,053 | 26 | 145 |
| 2012 | 298 | 1,215 | 53 | 265 |
| 2013 | 247 | 898 | 41 | 203 |
| 2014 | 155 | 839 | 41 | 260 |
| 2015 | 197 | 859 | 26 | 141 |
| 2016 | 137 | 803 | 45 | 219 |
| 2017 | 130 | 639 | 46 | 183 |
| 2018 | 123 | 488 | 24 | 170 |
| 2019 | 161 | 731 | 11 | 55 |
| 2020 | 199 | 544 | 3 | 7 |
| 2021 | 124 | 388 | 42 | 123 |
| 2022 | 83 | 398 | 21 | 111 |
| 2023 | 134 | 572 | 69 | 236 |
| 2024 | 90 | 417 | 59 | 194 |
| 2025* | 50 | 271 | 42 | 210 |
Footnote:
- The information pertains to notified 'food poisoning outbreaks' (both confirmed and suspected), accessible at the following website: https://www.chp.gov.hk/en/static/24012.html
* Data as of 2 March 2026. Figures are subject to further review/ update.