Ikhithi engu-19 yokuxilonga engu-19 ye-Antigen
Ikhithi engu-19 yokuxilonga engu-19 ye-Antigen
Amakhithi angama-20 ebhokisini elilodwa
Amabhokisi angama-30 ebhokisini
Ikhithi engu-19 yokuxilonga engu-19 ye-Antigen
Amakhithi angama-20 ebhokisini elilodwa
Amabhokisi angama-30 ebhokisini