数字农科院2.0

Efficient inactivation of African swine fever virus by a highly complexed iodine

文献类型： 外文期刊

作者： Li Pan;Rui Luo;Tao Wang;Mengnan Qi;Bing Wang;Maowen Sun;Yuzi Luo;Chen Ji;Yuan Sun;Hua Ji Qiu

作者机构：

关键词： African swine fever virus;Disinfectant;Highly complexed iodine;Inactivation

期刊名称： Veterinary Microbiology

ISSN： 0378-1135

年卷期： 2021 年 263.0 卷

页码：

收录情况： JCR（2021版）

摘要： African swine fever (ASF) is a highly lethal contagious disease of swine caused by African swine fever virus (ASFV). Cleaning and disinfection remain one of the most effective tools to prevent the ASFV spread in pig holdings. This study evaluated the inactivation effect of a highly complexed iodine (HPCI) disinfectant against ASFV. A commercially available povidone-iodine (PVP-I) was used as reference for comparison. The results showed that 5% HPCI and 5% PVP-I did not exhibit cytotoxicity in primary porcine alveolar macrophages, and 107.0 and 105.0 TCID50/mL ASFV were completely inactivated by 5% and 0.25% HPCI, respectively, in 5 min via either immersion or spray disinfection. However, 5% PVP-I required at least 15 min to completely inactivate 107.0 TCID50/mL ASFV, whereas 0.25% PVP-I failed to completely inactivate 105.0 TCID50/mL ASFV. This study demonstrated that HPCI could rapidly and efficiently inactivate ASFV, representing an effective disinfectant for ASF control.

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