Fritterne blev eksponeret intranasalt på dag 35 med en stor dosis af enten stamme 2 H5N1 virus A/ Indonesien/ 05/ 2005 eller stamme 1 H5N1- virus A/ Vietnam/ 1203/ 2004 og overvåget i 14 dage.
The ferrets were challenged intranasally on day 35 with a high dose of either the clade 2 H5N1 virus A/ Indonesia/ 05/ 2005 or the clade 1 H5N1 virus A/ Vietnam/ 1203/ 2004 and monitored for 14 days.