Are serum products free of Bovine Spongiform Encephalopathy (BSE)?
血清产品是否携带牛海绵状脑病(BSE)？
Yes. All Sigma-Aldrich sera have been sourced from countries that are free of or at low risk for BSE. The intergovernmental World Organisation for Animal Health (OIE) fights animal disease at the global level by monitoring country compliance with OIE guidelines and standards.
是的。所有Sigma-Aldrich血清均来自无BSE风险或低风险的国家。政府间世界动物卫生组织(OIE)通过监控国家对OIE指南和标准的遵守情况，在全球范围抵制动物疾病。