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Fig. 1 | BMC Veterinary Research

Fig. 1

From: Avian influenza A (H5N1) outbreaks in different poultry farm types in Egypt: the effect of vaccination, closing status and farm size

Fig. 1

Map of study area (Nile river delta, Egypt), location of farms (the coordinates refers to villages) and village prevalence to HPAI A (H5N1) virus. The size of the circle depends on the number of farms in the village and the colour represents the proportion of positive (red) and negative (green) farms for Avian Influenza in the years 2014–2015

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