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. 2015 Aug 20;78(1):139–142. doi: 10.1292/jvms.15-0324

Table 4. HI titers of chicken sera at 0 and 14 days after the challenge with Kumamoto strain.

Group Chicken No. HI titers on the days after challenge

0a) 14a)


Vac-1b) Kum/14c) Vac-1 Kum/14
Vaccine 605 256 <4 256 8
611 256 <4 256 16
613 256 4 256 16
615 256 8 256 16
617 256 <4 256 8
619 512 <4 512 4
624 256 8 256 8
629 256 <4 512 8
635 512 4 512 8
638 256 <4 256 4

Negative controld) 610 <4 <4 NT NT
618 <4 <4 NT NT
619 <4 <4 NT NT

Positive controle) 600 256 <4 256 <4
606 256 4 256 4

NT; Not tested, a) Days of bleeding after challenge, b) A/duck/Hokkaido/Vac-1/2004 (H5N1), c) A/chicken/Kumamoto/1-7/2014 (H5N8), d) Not vaccinated and challenged., e) Vaccinated and not challenged.