infected  
adjective uk/ɪnˈfek.tɪd/ us/ɪnˈfek.tɪd/
  (DISEASE)      
  受感染的
containing bacteria or other things that can cause disease
  an infected wound/cut 受感染的伤口 
 After the operation the wound became infected. 手术后伤口受到了感染。 
   (COMPUTER)     
 感染计算机病毒的
An infected computer file contains a computer virus (= a program that can harm computers and their files).