METHODS
Demographic and clinical information was abstracted. We performed ELISAs
to identify and quantify HAstV-1 and HAstV-VA1 specific antibodies in 9
polyvalent IVIG lots. In addition, we performed neutralization as
described elsewhere. 18 (Supplemental methods) The
study was approved by St Jude’s Institutional Review Board. Consent from
parents of Patient 2 was waived and verbal consent from parents of
Patient 1 was obtained.