IPA: //ˌpoʊstɪnˈfɛkʃən//
KK: /ˈpoʊstɪnˈfɛkʃən/
Happening after an infection has taken place.
The patient experienced postinfection symptoms that lasted for several weeks.
At a time following an infection.
The patient showed improvement postinfection.
Postinfection → It is formed from "post-" (meaning after) and "infection" (from Latin "infectio", meaning the act of infecting). The word "postinfection" refers to the period or condition that occurs after an infection has taken place.
Think of 'post-' meaning 'after' and 'infection' referring to the act of infecting — so postinfection is what happens after an infection.