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Rubella (German measles)
1990 Case Definition
Clinical case definition
An illness with all of the following characteristics:
-
Acute onset of generalized maculopapular rash
-
Temperature greater than 37.2 C
( greater than 99 F), if measured
-
Arthralgia/arthritis,
or lymphadenopathy, or
conjunctivitis
Cases meeting the measles case definition are excluded.
Also excluded are cases with serology compatible with recent
measles virus infection.
Laboratory criteria for diagnosis
- Isolation of rubella virus, or
- Significant rise in rubella antibody level
by any standard serologic assay, or
- Positive serologic test for rubella IgM antibody
Case classification
Suspect: any generalized
rash illness of acute onset
Probable: a case that meets the clinical
case definition, has no or noncontributory serologic or virologic
testing, and is not epidemiologically linked to a laboratory-confirmed
case
Confirmed: a case that is laboratory confirmed
or that meets the clinical case definition and is epidemiologically
linked to a laboratory-confirmed case
See also:
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