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Figure 4 | Virology Journal

Figure 4

From: Evaluation of immune responses to porcine reproductive and respiratory syndrome virus in pigs during early stage of infection under farm conditions

Figure 4

Rapid increase in secretion of the cytokines IL-4 and IL-10 in PRRSV infected pigs. Plasma samples collected from pigs on day 0 pre-infection (n = 50) and day 2 post-infection of infected (n = 25) and contact (n = 25) pigs were analyzed by ELISA to evaluate cytokine levels: (A and C) IL-4; (B and D) IL-10 secreted by indicated pig groups at day 0 and day 2 post-infection. Each bar represents the amount of cytokines secreted by individual pigs, and numbers shown above horizontal lines indicate the average amount of cytokines from 25 pigs +/- standard deviation. Statistical analysis was performed using a paired t-test by comparing day 0 and day 2 cytokine responses.

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