translation.en: Streptococcus suis is an opportunistic bacterium which usually colonises the upper respiratory tract of adult pigs without causing any disease.
translation.mt: Streptococcus suis huwa batterju opportunistiku li normalment jikkolonizza l-parti ta' fuq tal-passaġġ respiratorju ta' majjali adulti mingħajr ma jikkawża xi marda.