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Virus

Parvovirus B19

Small nonenveloped single-stranded DNA virus

PAR-voh-vy-rus B nineteen

virusdnasingle-strandednonenvelopedrasherythroid

High-yield clue

Small nonenveloped ssDNA + erythroid precursor tropism.

Overview

A small DNA virus used to teach slapped-cheek rash vocabulary, erythroid precursor tropism, and aplastic-crisis coursework associations.

Classification

  • Nonenveloped virus
  • Single-stranded DNA
  • Parvovirus

Lab & identification clues

  • Serology/PCR vocabulary
  • Erythroid precursor tropism
  • Small DNA virus contrast

Associations

  • Erythema infectiosum vocabulary
  • Aplastic crisis term
  • Hydrops fetalis association

Commonly confused with

  • Measles virus
  • Rubella virus
  • Adenovirus

Frequently asked questions

What is Parvovirus B19?

A small DNA virus used to teach slapped-cheek rash vocabulary, erythroid precursor tropism, and aplastic-crisis coursework associations.

What are the lab clues for Parvovirus B19?

Lab clues for Parvovirus B19 include Serology/PCR vocabulary, Erythroid precursor tropism, and Small DNA virus contrast.

What is Parvovirus B19 commonly confused with?

Parvovirus B19 is commonly confused with Measles virus, Rubella virus, and Adenovirus.

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 foundations - sourceNCBI Bookshelf: Medical Microbiology organism chapters - sourceCDC: CDC disease and public-health topic pages - source