Additional file 3: Table S1. Characteristics of samples positive for A. phagocytophilum in M. himalayana. Grey column: samples screened for A. phagocytophilum. √: Positive samples for A. phagocytophilum, confirmed by both 16s rRNA and groESL gene sequences. *: Positive samples had a 1380-bp cloned sequence of groESL. a: Y, marmots found dead in the environment. N, marmots captured for plague surveillance.