PetriKey

Virus

Hepatitis B virus

Partially double-stranded DNA virus

hep-uh-TY-tis B

virusdnaenvelopedhepatitisreverse-transcriptasevaccine

High-yield clue

DNA virus with reverse-transcriptase vocabulary and hepatitis serology clues.

Overview

HBV is used to teach partially double-stranded DNA, reverse-transcriptase vocabulary, serology patterns, and vaccine-prevention concepts.

Classification

  • Enveloped virus
  • Partially double-stranded DNA
  • Hepadnavirus

Lab & identification clues

  • HBsAg/anti-HBs vocabulary
  • Serology pattern concept
  • Reverse transcriptase concept

Associations

  • Hepatitis vocabulary
  • Chronic infection concept
  • Vaccine concept

Commonly confused with

  • Hepatitis C virus
  • Hepatitis A virus

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