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Chick-News.com Poultry Industry News, Comments and more by Simon M. Shane

Concern over Illegal ASF Vaccines in China

03/11/2021

Previously media reports have suggested that illegally manufactured gene-deleted African swine fever (ASF) vaccines have been administered to hog herds in China.  A scientific report has characterized variant strains of ASF that have apparently emerged over the past few months.  Whether these mutations have arisen spontaneously or are the result of deploying illegal vaccines has yet to be determined

 

The Ministry of Agriculture and Rural Affairs stated that it “will crack down further on illegal production and sales of African swine fever vaccines.”  If this statement is a true translation from mandarin it presumes that the Ministry is in fact aware of the use of illegal vaccines.


Structured trials of ASF vaccines by reputable institutions in progress in China

The ministry is requiring laboratories to report strains with artificial gene deletions to provincial veterinary authorities. The Ministry is offering financial rewards for information in the face of a recent resurgence in ASF in the provinces of Sichuan, Hubei and Yunnan.

 

At the present time, there is no approved vaccine against ASF although it is understood that several candidates produced by reputable institutions including Harbin are under evaluation.

 

Regulations forbid assigning hogs with ASF to packing plant although this regulation is observed more in the breach than in conformity.


 
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