Transmission of LP in 1 inoculated and 41 contact turkeys (LP 1+41).

Turkey 0 was inoculated with LP on day 0 as described in methods, and then co-housed with 41 naïve in-contact turkeys. Table symbols are as follows: +, positive buccal swab; −, negative buccal swab; x, bird died or killed; (+) buccal swab negative, but bird inferred to be shedding to make a logical infection history; (−) buccal swab positive but bird inferred to have recovered to make a logical infection history; nt, not tested.