Table 1.

HhaI detection in plasma from pre-patent jirds (56 days post infection) 2 μl and 10 μl sample DNA volume

Animal group	HhaI positives (2 μl sample volume)	HhaI positives (10 μl sample volume)	Adult worm recovery a
Infected jirds (9/9 patent)	0/9	9/9	40 (9–76)
Uninfected jirds	0/9	0/9	0

^aMedian (range).