Volume 12, Number 4—April 2006
Domestic Ducks and H5N1 Influenza Epidemic, Thailand
|Virus*||Deaths†||Illness†||Day detectable virus was shed‡
*Eight 4-week-old khaki Campbell ducks were injected with 106 50% egg infectious dose of virus by intranasal and intratracheal infection, and 2 contact ducks were introduced 1 day later.
†Total number of deaths or birds showing disease/total number of birds. Birds were observed daily for signs of disease or death.
‡Number of ducks shedding by the trachea or cloacae/total number of ducks remaining alive. Ducks were swabbed every other day beginning on day 2 postinfection.
§All of the ducks in this group died.