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Figure 1 | Veterinary Research

Figure 1

From: Characterization of homologous and heterologous adaptive immune responses in porcine reproductive and respiratory syndrome virus infection

Figure 1

Rectal temperature and body weight gains after inoculation with PRRSV.

Evolution of average rectal temperatures and body weight gains in experiments 1 (figure a-c) and 2 (b-d). In experiment 1, animals received initially (day 0 pi) PRRSV strain 3262 (A; black crosses, light grey bars) or were mock-inoculated (Control; empty circles, empty bars). At day +84 pi, four pigs were challenge with strain 3262 again (A + A; black triangles, black bars) or received a heterologous challenge with strain 3267 (A + B; grey rhombus or dark grey bars). Naïve pigs were challenged with strain 3267 (C1 + B; empty squares or diagonal line bars). In experiment 2, pigs were initially inoculated with strain 3267 (B) and later challenged with 3267 (B + B) or 3262 (B + A). Controls were included (Control and C2 + A). Significant (p < 0.05) differences in body temperatures are marked with an asterisk. For weight gains (right side of the figure), bars with a letter above show significant (p < 0.05) differences.

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