Distribution of positivity rates for the four <i>A</i>. <i>phagocytophilum</i> IgG dilutions (i.e, 1:64, 1:128, 1:256 and 1:516) in both dog handlers (A) and blood donors (B) groups.

<p>Distribution of positivity rates for the four <i>A</i>. <i>phagocytophilum</i> IgG dilutions (i.e, 1:64, 1:128, 1:256 and 1:516) in both dog handlers (A) and blood donors (B) groups.</p>