If you're infected, does this mean that you will get cancer? No! Viruses did not specifically evolve with the need to cause cancer-they simply have similar(but distinct needs Development of tumors almost always requires: Additional genetic alterations and/or Compromised host (e.g. immuno-suppression• No!  Viruses did not specifically evolve with the need to cause cancer - they simply have similar (but distinct) needs  Development of tumors almost always requires: • Additional genetic alterations and/or • Compromised host (e.g. immuno-suppression) If you’re infected, does this mean that you will get cancer?