PetriKey

Virus

Human papillomavirus

Nonenveloped circular DNA virus

HYOO-mun pap-ih-LOH-muh-vy-rus

virusdnanonenvelopedcircularoncovirusvaccine

High-yield clue

Nonenveloped circular DNA + E6/E7 oncogene vocabulary.

Overview

HPV is used in coursework to connect nonenveloped circular DNA, epithelial tropism, oncogenic types, and vaccine-prevention vocabulary.

Classification

  • Nonenveloped virus
  • Circular double-stranded DNA
  • Papillomavirus

Lab & identification clues

  • Pap test vocabulary
  • HPV DNA testing concept
  • Koilocyte morphology vocabulary

Associations

  • Cervical cancer vocabulary
  • Wart vocabulary
  • Vaccine concept

Commonly confused with

  • Herpes simplex virus
  • Molluscum contagiosum

Your notes

Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.

OpenStax: Microbiology 2e organism classification foundationssourceNCBI Bookshelf: Medical Microbiology organism chapterssourceCDC: CDC disease and public-health topic pagessource