Papillomaviruses are a group of ubiquitous non-enveloped double stranded deoxyribonucleic acid (DNA) viruses of which a subset of around 150 are pathogenic to humans.

Sequele

  • Benign hyperproliferative lesions (Anal warts)
  • Flat pre-malignant change (AIN)
  • 25% of oropharyngeal cancers
  • cause the majority of penile, vaginal and vulval cancers
  • 90% of cervical and anal invasive squamous cell carcinomas.

Risk factors:

  • MSM
  • Multiple partners
  • Smoking
  • Anoreceptive intercourse

Treatment

  • Vaccination
  • quadrivalent vaccine - 16, 18, 6, 11