PetriKey

Virus

Adenovirus

Nonenveloped double-stranded DNA virus

AD-eh-noh-vy-rus

virusdnanonenvelopedrespiratoryconjunctivitisgastroenteritis

High-yield clue

Nonenveloped dsDNA + respiratory/conjunctivitis/GI vocabulary.

Overview

A nonenveloped DNA virus used for pharyngoconjunctival fever, respiratory outbreaks, and pediatric GI-virus comparison vocabulary.

Classification

  • Nonenveloped virus
  • Double-stranded DNA
  • Icosahedral capsid concept

Lab & identification clues

  • PCR vocabulary
  • Adenoviral inclusion concept
  • Respiratory viral panel term

Associations

  • Pharyngoconjunctival fever vocabulary
  • Pneumonia outbreak framing
  • Gastroenteritis comparison

Commonly confused with

  • Rhinovirus
  • Rotavirus
  • SARS-CoV-2

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