Abstract:A simplified passive haemagglutination (PHA) screening test, an improved quantitative PH A assay, and a
stable test cell preparation are described, as well as a comprehensive testing strategy which have been used in concert at
this Service over the past 10 years for the successful accession of high-titre tetanus anti-toxin (TAT) plasma for fractionation
into human tetanus immunoglobulin (HTIG). The sequential deployment of the screening and quantitative assays,
has permitted large numbers of donors to be scree… Show more
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