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A case with or without symptoms who has laboratory evidence of rubella infection confirmed by one or more of the following laboratory tests: • Isolation of rubella virus; or • Detection of rubella-virus specific nucleic acid by polymerase chain reaction; or
Documented Rubella If No or Unknown, Seropositivity Before Or Action Taken – Within 7 Days After First Rubella Serology, Exposed etc.
A case with or without symptoms who has laboratory evidence of rubella infection confirmed by one or more of the following laboratory tests: • Isolation of rubella virus; or • Detection of rubella-virus specific nucleic acid by polymerase chain reaction; or
Because measles virus is highly contagious and the infection is normally accompanied by an evident rash, measles outbreaks may be more easily identifiable than outbreaks of rubella, which is less contagious and often asymptomatic.
A case investigation form is completed for each suspected measles or rubella case investigated. A separate laboratory request form should be completed at the time of specimen collection and should accompany all specimens sent to the laboratory. Information on specimen labels must be
The disease is most contagious when the rash first appears, but the virus can be spread from 7 days be-fore to 5 to 7 days after the rash begins. People with rubella without symptoms can also transmit the virus. What should be done if someone is exposed to rubella and hasn’t been vaccinated with MMR?
TRANSMISSION. Person-to-person via droplets shed from the respiratory secretions of infected persons or direct contact with a rubella patient. INCUBATION PERIOD. 14-17 days, range 12-23 days. See Rubella Timeline, below. PERIOD OF COMMUNICABILITY.
