Transmission of HP in 1 inoculated and 10 contact turkeys (HP 1+10).

Turkey 0 was inoculated with HP on day 0 as described in methods, and then co-housed with 10 naïve in-contact turkeys. Table symbols are as follows: +, positive buccal swab; –, negative buccal swab; x, bird died or killed. In this and subsequent tables, for ease of reading the rows for the contact turkeys are arranged in order of first positive swab and then subsequent negative swab.