General Availability in Public Healthcare Institution Users are to consult the respective PHIs for actual inventory availability and supply restrictions/consideration Havrix Junior Injection 720 elisa units/0.5 mL Changi General Hospital KK Women's and Children's Hospital Singapore General Hospital Tan Tock Seng Hospital Havrix Injection 1440 elisa units/mL Changi General Hospital Sengkang General Hospital Singapore General Hospital SingHealth Polyclinics Tan Tock Seng Hospital Woodlands Health Campus