Clinical, epidemiological and microbiological features of 31 human cases of Streptococcus suis infection in Phayao Province, 2010.

Three possible clusters in the district of Muang Phayao (PC I), the districts of Chiang Kham, Chun and Pong (PC II), and the districts of Dok Khantai and Chun (PC III) are shown.*The pulsotype was designated as previously described [4]. A2**, Serotype 2 with pulsotype A2 was the causative pathogen of a cluster of three cases. MLST, multilocus sequence type; ST, sequence typing.