首先prevent是一个及物动词，后面可以直接加名词
prevent attacks防止袭击
prevent cancer预防癌症
prevent damage防止受损
prevent disease预防疾病
prevent infection预防感染
prevent injuries防止受伤
同时prevent…from…
prevent disease from spreading 防止这种疾病蔓延
prevention
The main emphasis of our research has shifted to the prevention of infection and septicemia.
后面可以加of所有格
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