Table 2. Excretion of infectious highly pathogenic avian influenza virus (H5N1) in vaccinated and control falcons after challenge.

Vaccination status	Excretion route*	Days postchallenge†
		0	1	2	4	7	11
Vaccinated	Oropharyngeal	<0.5	4.4	1.2	<0.5	<0.5	<0.5
Nonvaccinated	Oropharyngeal	<0.5	5.4	4.4	2.0	No data	No data
Vaccinated	Cloacal	<0.5	<0.5	<0.5	<0.5	<0.5	<0.5
Nonvaccinated	Cloacal	<0.5	<0.5	3.0	2.7	No data	No data

*Pooled samples of all birds in the group were examined.
†Data represent log₁₀ of 50% egg infectious dose per mL.