General Availability in Public Healthcare Institution Users are to consult the respective PHIs for actual inventory availability and supply restrictions/consideration Tablet 1,000 units Alexandra Hospital Changi General Hospital Institute of Mental Health KK Women's and Children's Hospital Khoo Teck Puat Hospital National Cancer Centre National Heart Centre National Healthcare Group Polyclinics National Skin Centre Ng Teng Fong General Hospital National University Hospital National University Polyclinics Sengkang General Hospital Singapore General Hospital SingHealth Polyclinics Tan Tock Seng Hospital Woodlands Health Campus Oral Solution 25,000 international units Alexandra Hospital Changi General Hospital Institute of Mental Health KK Women's and Children's Hospital Khoo Teck Puat Hospital National Healthcare Group Polyclinics Ng Teng Fong General Hospital National University Polyclinics Sengkang General Hospital Singapore General Hospital Tan Tock Seng Hospital Woodlands Health Campus