an immunoglobulin m response to varicella-zoster virus was detected in 70 % of zoster patients by solid-phase radioimmunoassay , in 52 % by indirect immunofluorescence , in 48 % by neutralization on sucrose density gradient fractions , and in 27 % by an antibody class capture enzyme immunoassay .
C0020861
immunoglobulin m
C0021017
antibody class