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Figure 1 | Veterinary Research

Figure 1

From: Dynamics of influenza A virus infections in permanently infected pig farms: evidence of recurrent infections, circulation of several swine influenza viruses and reassortment events

Figure 1

Description of influenza-like outbreaks observed in the monitored piglets (3 farms, 3 batches per farm). Representation of clinical outbreaks and clinical severity on each batch-specific age time scale. Clinical severity: from mild “pink box symbol” to acute “maroon box symbol”. Red vertical bars correspond to the cumulated incidence of SIV positive pigs, the maximum size bar representing the 40 monitored piglets. SIV subtypes are indicated on each SIV outbreak with the age corresponding to the virus identification.

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Veterinary Research

ISSN: 1297-9716