# New China African Swine Fever Strains Point to Unlicensed Vaccines | News & Media Relations | Colorado State University

> Colorado State University's Mo Salman told Farm Journal that Chinese laboratories produced unauthorised live bird flu vaccines during the 2004-5 H5 outbreaks, raising concern that similar unlicensed vaccines could be behind new ASF strains. The comments link the new virus variants to possible vaccine origins.

- Date: 2021-01-29 · published 2021-01-29T12:00:00.000Z
- Category: disease · region China · magnitude low
- Page: https://feedsoft.ai/events/49031-new-china-african-swine-fever-strains-point-to-unlicensed-vaccines-news-and
- Commodities: [Lean Hogs](https://feedsoft.ai/c/HOGS.md)

## Why it matters

Unlicensed vaccine concerns add uncertainty to the trajectory of China's hog herd and therefore to long-run feed demand, though no immediate supply change is reported.

## Read by commodity

- HOGS: neutral

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| HOGS | 2019-01-31 | [Combating African swine fever \| Center for Animal Health and Food Safety - University of Minnesota](https://feedsoft.ai/events/60975-combating-african-swine-fever-center-for-animal-health-and-food-safety.md) | -1.6% | -4.9% |
| HOGS | 2020-07-21 | [African Swine Fever kept out of U.S. but pork remains threatened around the world \| Food Safety News](https://feedsoft.ai/events/51998-african-swine-fever-kept-out-of-u-s-but-pork-remains-threatened-around-the.md) | +4.8% | +6.3% |
| HOGS | 2018-09-10 | [U.S. Pork Response African Swine Fever Prevention – Swine Health Information Center](https://feedsoft.ai/events/62909-u-s-pork-response-african-swine-fever-prevention-swine-health-information-center.md) | +4.4% | +27.6% |
| HOGS | 2021-08-03 | [Biosecurity and Pig Health in Focus to Combat African Swine Fever \| Farm Policy News \| Illinois](https://feedsoft.ai/events/45453-biosecurity-and-pig-health-in-focus-to-combat-african-swine-fever-farm-policy.md) | -0.5% | -12.1% |
| HOGS | 2020-11-19 | [African Swine Fever: Everything you need to know](https://feedsoft.ai/events/50033-african-swine-fever-everything-you-need-to-know.md) | -0.5% | -2.4% |

## Sources

- newsmediarelations.colostate.edu: https://newsmediarelations.colostate.edu/inthenews/new-china-african-swine-fever-strains-point-to-unlicensed-vaccines/

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.