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The study found that there are at least four natural variants of the low-fatality strain in the field in China. \Donal O Leary
Researchers in China have identified 22 strains of African Swine Fever (ASF) during an epidemiological survey carried out from June to December 2020.
The National African Swine Fever Specialty Laboratory identified the country’s first ASF case in 2018 and was responsible for the latest study.
The lab which is based within the Harbin Veterinary Research Institute identified new strains (genotype II) with low fatality rates in some provinces and regions.
New worry
The study found that there are at least four natural variants of the low-fatality strain in the field in China.