MV RNA detected by real-time RT-PCR.

*Represents number of cDNA molecules per PCR reaction; each PCR reaction represents 100 ng total RNA from one sample. Key: Dub, Trinity College Dublin (Coombe Women's Hospital), Dublin. CU, Columbia University, New York. CDC, Centers for Disease Control and Prevention, Atlanta. MeF, MeH, measles primer sets specific for F and H gene regions of MV, respectively (Appendix S1). OLF, OLH, measles primer sets specific for F and H gene regions of MV, respectively [10] (Appendix S1).