Prime minister Tony Blair gave support to the programme, arguing that the vaccine was safe enough for his own son, Leo, but refusing on privacy grounds to state whether Leo had received the vaccine; in contrast, the subsequent Prime Minister, Gordon Brown, explicitly confirmed that his son has been immunised.
Perdana Menteri Tony Blair mendukung program ini dan berpendapat bahwa vaksin cukup aman untuk putranya sendiri, Leo, tetapi atas dasar privasi menolak menyatakan apakah Leo menerima vaksin; sebaliknya, Perdana Menteri pengganti Blair, Gordon Brown, secara eksplisit membenarkan bahwa putranya telah diimunisasi.