Difference in HIV prevalence in clubs, saunas and backrooms according to assortativity in venues visited.

<p>A) PREVAGAY survey. B,C,D) Simulated prevalences for a total of 18% under B) Equal number allocation (EQL); C) equal density allocation (DNS); D) twice more partnerships in Backrooms (BKR). Black bars correspond to the original PREVAGAY data, light gray bars to independence between venues visited (RND/*).