Genotypic Comparison between Streptococcus suis Isolated from Pigs and Humans in Thailand

• DOI: 10.3390/pathogens9010050
• Publication Date: 2020-01-10T09:06:51Z
• Authors: Anusak Kerdsin; Dan Takeuchi; Aniroot Nuangmek; Yukihiro Akeda; Marcelo Gottschalk; Kazunori Oishi
• Keywords: 2. Zero hunger; 0303 health sciences; multilocus sequence typing (mlst); sequence type (ST); pulse-field gel electrophoresis (PFGE); genotype; sequence type (st); R; Article; 3. Good health; multilocus sequence typing (MLST); 03 medical and health sciences; <i>Streptococcus suis</i>; <i>streptococcus suis</i>; Medicine; serotype; pulse-field gel electrophoresis (pfge)

Streptococcus suis is a zoonotic pathogen of economic significance to the swine industry. The number of infected cases is increasing in humans worldwide. In this study, we determined the prevalence and diversity of S. suis carriage in slaughterhouse pigs in Phayao province, Thailand, where an outbreak occurred in 2007. The overall S. suis carriage rate was 35.2% among slaughterhouse pigs. The prevalence rates of serotypes 2 and 14 (the major serotypes infected in humans) were 6.7% and 2.6%, respectively. In both serotypes, 70.4% of isolates of serotypes 2 and 14 revealed sequence types and pulsotypes identical to human isolates in Thailand. It is suggested that pathogenic strains of S. suis are a risk factor for occupational exposure to pigs or the consumption of raw pork products. Food safety, hygiene, and health education should be encouraged to reduce the risk group.