实验感染 meaning in English

artificial infection
artificial transmission

Experimental survey of damage of monocyte on muscle larvae of trichinella spiralis in vitro
旋毛虫肌幼虫在实验感染兔横纹肌内的分布
Observation on the efficacy of norfloxacin in preventing animals from infecting yersina pestis
诺氟沙星预防实验感染动物鼠疫的效果观察
Pathological observation and study on muscular tissue in rabbits experimentally infected with trichinella spiralis
实验感染旋毛虫兔肌组织的病理研究
But also the experiment makes clear , the experiment contains flu virus in the egg of infection chicken , because this cannot eliminate the possibility of perpendicular transmission completely
但也有实验表明，实验感染鸡的蛋中含有流感病毒，因此不能完全排除垂直传播的可能性。