UN3373有传染性吗？

UN3373是国际航空运输协会DGR-传染性物质下的DG装运分类...A类是一种传染性物质，其运输形式在暴露于该物质时，能够导致永久性残疾，对其他健康的人或动物造成威胁生命或致命的疾病。

UN3373 is a DG shipment classification under IATA DGR -Infectious Substances... Category A is an infectious substance which is transported in a form that, when exposure to it occurs, is capable of causing permanent disability, a life-threatening or fatal disease in otherwise healthy humans or animals.