Figure 1From: Superinfection occurs in Anaplasma phagocytophilum infected sheep irrespective of infection phase and protection statusMean immunofluorescent antibody titre to A. phagocytophilum in lambs experimentally infected with two variants (variant 1 and 2) at different time points. Two lambs in each group. A titre below 1:40 (log10 = 1.6) was considered negative.Back to article page