O le pusa e faʻatatau i le faʻataʻitaʻiga muamua o le faʻataʻitaʻiga e faʻataʻitaʻiina, ina ia faʻasaʻoloto le suʻega i totonu o le faʻataʻitaʻiga mai le fusifusia i isi mea, mo le faʻafaigofieina o le faʻaogaina o in vitro diagnostic reagents poʻo meafaigaluega e suʻe ai le analyte.
Tulaga I fa'ata'ita'iga fa'aola e talafeagai mo fa'ata'ita'iga virus,maTulaga II fa'ata'ita'iga fa'ata'ita'i fa'ata'ita'iga e talafeagai mo fa'ata'ita'iga siama ma le mamapala.
