Seasonal risk of low pathogenic avian influenza virus introductions into free-range layer farms in the Netherlands.

Despite the increase in the number of free‐range layer farms in the Netherlands, which increases the opportunities for contact between poultry and wild birds, thereby increasing the risks for AI introductions (Bouwstra et al., 2017 ), a decreasing trend in the prevalence of introductions of LPAI was observed (Figure 4 ).

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