General Availability in Public Healthcare Institution Users are to consult the respective PHIs for actual inventory availability and supply restrictions/consideration Tuberculin PPD RT 23 AJV Injection 0.4 mcg/mL Alexandra Hospital Changi General Hospital KK Women's and Children's Hospital Khoo Teck Puat Hospital Ng Teng Fong General Hospital National University Hospital Singapore General Hospital Tan Tock Seng Hospital Woodlands Health Campus