Skip directly to site content Skip directly to page options Skip directly to A-Z link Skip directly to A-Z link Skip directly to A-Z link
Volume 12, Number 4—April 2006
Synopsis

Domestic Ducks and H5N1 Influenza Epidemic, Thailand

Thaweesak Songserm*, Rungroj Jam-on*, Numdee Sae-Heng*, Noppadol Meemak†, Diane J. Hulse-Post‡, Katharine Sturm-Ramirez‡, and Robert G. Webster‡Comments to Author 
Author affiliations: *Kasetsart University, Nakornpathom, Thailand; †Western Veterinary Research and Development Center, Rachaburi, Thailand; ‡St. Jude Children's Research Hospital, Memphis, Tennessee, USA

Main Article

Table 1

Studies of H5N1 influenza in grazing ducks in Thailand, February to July 2004*

Flock no. Approximate no. ducks Age when positive for H5N1 virus (d) Duration of virus shedding before detection of illness or culling (d) Highest viral titer (log10 EID50/mL) Antibody titers to H5N1 (HI) (log2) before culling
1† 4,600 66 8 2.0 <1‡
5,200 78 10 3.1 2
3† 8,000 42 5 2.0 <1
4† 6,800 74 7 2.5 2
5† 4,300 93 5 3.3 2
7,200 59 5 3.6 2
10,000 82 7 ND ND
8† 6,300 60 9 3.8 2
9† 9,800 71 10 ND ND
10† 5.500 51 6 3.4 ND

*EID50, 50% egg infectious dose; HI, hemagglutination inhibition; ND, not done.
†Suphanburi Province.
‡Serum samples collected ≈12 d after flock moved to rice field.
§Nakornpathom Province.
¶Ayuthdhaya Province.

Main Article

Page created: January 23, 2012
Page updated: January 23, 2012
Page reviewed: January 23, 2012
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
file_external