the finding of secretory iga and igm antibodies to e. coli and poliovirus type i antigens in early samples from an infant of a hypogammaglobulinaemic mother , given regular intravenous ( i.v . ) immunoglobulin prophylaxis , but still lacking iga and igm antibodies , supports a fetal origin for at least part of the secretory antibodies detected in the different samples .
C2825347
iga
C0003241
antibodies