Fig. 1
From: First report and genetic characterization of bovine torovirus in diarrhoeic calves in China
Number of calves and farms from three provinces in China, 2017–2019. The n values indicate the total number of samples in each province, the x values indicate the total number of farms in each province, and the positive rate indicates the BToVs positive rate. The map was created by MAPGIS (version 6.7)