When should specimens be drawn for an IgG antibody assay in the workup of measles?

Updated: Jun 06, 2019
  • Author: Selina SP Chen, MD, MPH; Chief Editor: Russell W Steele, MD  more...
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Accordingly, it is recommended that specimens be drawn on the seventh day after rash onset. Blood drawn for convalescent serum should be drawn 10-14 days after that drawn for acute serum, and the acute and convalescent sera should be tested simultaneously as paired sera.

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