相互感染 meaning in English

aleopation
reciprocal infection

This function has been made obsolete by modern , industrialised society ; populations are now so dense that people pick up essential bacteria from each other , allowing gut organisms to regrow without help from the appendix , the researchers said
现代的工业化社会已经使这个功能退化了；人口现在如此的密集，以至于人们相互感染必需菌，消化道微生物能够在没有阑尾帮助的情况下再生长，研究者说。
The people who is unlike a character has come into contact with and , self has used the humble attitude all the time revere the other party , had had disappointment to have had giving up , making me relieved only has been knowing several good friends in the club , we have affected the other party mutually in the process working in with them , not only my part in firmly believing them being able to become mutual regard , the bosom friend who helps each other when in the same condition more in having worked battle companion that can have become me , in in daily life the days to come
与不同性格的人打交道，自己始终以谦卑的态度尊敬对方，有过失望有过放弃，不过让我欣慰的是，在俱乐部中认识了几个好朋友，在与他们共事的过程中我们相互感染了对方，我深信他们中的一部分不仅在工作上会成为了我的战友，在今后的生活上更能成为相互关心、同舟共济的挚友。