Wild, T.F.

measles patient virus isolation level antibody infection rt-pcr mv isolation mv infection diagnosis virus isolation mv-specific assay sample serologically study khartoum plasma disease measles cases throat laboratory dilution measles virus response mv eradication program vn antibody levels result material mv-specific igm antibodies symptom sm 32 laboratory diagnosis mv cases mv-specific igg sm 17 vn antibodies number health elisa signal plasma samples wild-type measles viruses plasma levels 106 pbmc protein mv-negative cases vaccination throat swabs table mv genomic rna stage laboratory-confirmed mv cases method maculopapular rash nonmeasles rash disease measurement culture osterhau virol serology 1998. nonmeasle netherland immunofluorescence presence sudan immunization period plate virus infection mel-juso /mv mv-specific rt-pcr field serum mv infections strain phosphate-buffered saline virological characterization