Division Laboratory criteria

At least one of the following four:

• Isolation of measles virus from a clinical specimen

• Detection of measles virus nucleic acid in a clinical specimen

• Measles virus specific antibody response characteristic for acute infection in serum or saliva

• Detection of measles virus antigen by DFA in a clinical specimen using measles specific monoclonal antibodies

Laboratory results need to be interpreted according to the vaccination status. If recently vaccinated, investigate for wild virus