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Mumps
1990 Case Definition

Mumps
1990 Case Definition
NOTE: A surveillance case definition is a set of uniform criteria used to define a disease for public health surveillance. Surveillance case definitions enable public health officials to classify and count cases consistently across reporting jurisdictions. Surveillance case definitions are not intended to be used by healthcare providers for making a clinical diagnosis or determining how to meet an individual patient’s health needs.

Clinical Description

An illness with acute onset of unilateral or bilateral tender, self-limited swelling of the parotid or other salivary gland, lasting greater than or equal to 2 days, and without other apparent cause (as reported by a health professional)

Laboratory Criteria For Diagnosis

  • Isolation of mumps virus from clinical specimen, OR
  • Significant rise in mumps antibody level by any standard serologic assay, OR
  • Positive serologic test for mumps immunoglobulin M (IgM) antibody

Case Classification

Probable

Meets the clinical case definition, has no or noncontributory serologic or virologic testing, and is not epidemiologically linked to a confirmed or probable case

Confirmed

A case that is laboratory confirmed or that meets the clinical case definition and is epidemiologically linked to a confirmed or probable case. A laboratory-confirmed case does not need to meet the clinical case definition.

Comments

Two probable cases that are epidemiologically linked would be considered confirmed, even in the absence of laboratory confirmation.

Related Case Definition(s)

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Content Source:
Office of Public Health Data, Surveillance, and Technology

National Notifiable Diseases Surveillance System (NNDSS)

NNDSS receives and shares case data from state, local, and territorial health departments to help public health monitor, control, and prevent serious diseases.

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