According to Giampiero Carosi, director of studies of infectious and tropical diseases at the University of Brescia, these cases mostly involve youths who have never gone through AIDS prevention programs and who show up at medical centers after their first sexual experience.
Menurut Giampiero Carosi, direktur penelitian penyakit menular dan tropis di Universitas Brescia, kasus - kasus ini paling banyak melibatkan kaum muda yang tidak pernah mengikuti program pencegahan AIDS dan yang mendatangi pusat - pusat medis setelah pertama kali berhubungan seks.