HAVCR2 and cancer: Toll-like receptors (TLRs) ligands, cytokines and antibody-mediated blockade, such as anti-IL-10, anti-CTLA-4 (cytotoxic T cell-associated antigen 4), anti-PD-1 (programmed death-1 receptor), anti-PD-L1 (PD-1-ligand) and anti-TIM-3 (T cell immunoglobulin mucin 3) are fundamental tools also in HPV-related cancer treatment and prevention.