IPA: //ˌsɪəroʊkənˈvɜːrtɪd//
KK: /sɪroʊkənˈvɜrtɪd/
Having undergone a change in the immune system that results in the presence of specific antibodies in the blood, usually indicating exposure to an infection or disease.
After the vaccination, she was seroconverted, showing that her body had developed antibodies against the virus.
Seroconverted → It is formed from "sero-" (from Latin "serum", meaning serum or fluid) and "converted" (from Latin "convertere", meaning to turn around or change). The term describes the process of a person's blood serum changing to show the presence of antibodies, indicating a change in their immune status.
Think of 'serum' ('sero-') as the fluid in your blood that changes when your body fights an infection, and 'converted' means it has turned into something new.