疫病蔓延 meaning in English

infest

Strict sterilization measures shall be taken for areas inside and outside the feeding and breeding room and the case shall be reported to the higher authority for the administration of experimental animals and to the local animal quarantine and epidemic prevention unit so that emergency preventive measures shall be taken to prevent the spread of the disease
对可能被传染的实验动物，进行紧急预防接种，对饲育室内外可能被污染的区域采取严格消毒措施，并报告上级实验动物管理部门和当地动物检疫、卫生防疫单位，采取紧急预防措施，防止疫病蔓延。