PetriKey

Virus

Measles virus

Enveloped negative-sense RNA paramyxovirus

MEE-zulz

virusrnanegative-senseenvelopedrespiratoryvaccine

High-yield clue

Enveloped negative-sense RNA + Koplik spot/rash vocabulary + vaccine concept.

Overview

A paramyxovirus used to teach highly contagious respiratory spread vocabulary, Koplik spot coursework clues, and vaccine-prevention concepts.

Classification

  • Enveloped virus
  • Negative-sense RNA
  • Paramyxovirus family concept

Lab & identification clues

  • PCR/serology vocabulary
  • Giant-cell inclusion concept
  • Respiratory outbreak framing

Associations

  • Koplik spots
  • Rash vocabulary
  • Subacute sclerosing panencephalitis term

Commonly confused with

  • Rubella virus
  • Varicella-zoster virus
  • Parvovirus B19

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