隔离群 meaning in English

conivium
separated population

Most s . pneumoniae isolates were at least intermediately resistant to penicillin , and 10 . 1 % of h . influenzae showed beta - lactamase activity
大多数s .肺炎隔离群对青霉素的抵抗都致少居中，并且10 . 1的h .流感显示了-内酰胺酶活性。
Phylogenetic analysis reealed that the majority of oine isolates form a distinct cluster more similar to caprine lentiirus prototypes than to the isna irus prototype
系统进化分析显示大多数羊的隔离群病毒形成的独特群簇更类似于山羊的慢病毒而不是绵羊髓鞘脱落病毒。术语可能不大专业，大概是这个意思吧！？