Fig. 1

Geographical distribution of Hungarian swine farms involved in the study. Overall, 62 points are indicated on the map, because two farms are at the same settlement, and the origin of 1 sample in 2021 is unknown
Geographical distribution of Hungarian swine farms involved in the study. Overall, 62 points are indicated on the map, because two farms are at the same settlement, and the origin of 1 sample in 2021 is unknown