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Figure 1 | Veterinary Research

Figure 1

From: The introduction of a highly virulent PRRSV strain in pig farms is associated with a change in the pattern of influenza A virus infection in nurseries

Figure 1

Dynamics of swIAV and PRRSV infection in the studied farms. Weekly mortality rates for each sampling period and farm. Left: Farm 1, Right: Farm 2; upper: longitudinal study 1 (L1), lower: longitudinal study 2 (L2). Red bars indicate the number of animals that tested positive for swIAV in nasal swabs for the first time; yellow bars indicate the number of animals that tested positive for swIAV for two or more consecutive samplings; dashed bars indicate the number of animals that tested positive for swIAV after being negative; and grey bars indicate the animals that tested negative for swIAV. The dotted red lines show the proportion of PRRSV-viremic animals at each timepoint. The black dotted line shows the mortality rate between two consecutive periods.

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Veterinary Research

ISSN: 1297-9716