among these infected children iga hiv antibodies were present in all 23 samples from those older than 12 months , in 12 of 18 samples from babies aged 6-12 months , in 5 of 10 samples from babies aged 3-5 months , and in 2 of 13 from babies under 3 months old .
C2825347
iga
C0003241
antibodies