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Abstract
Streptococcus suis is a zoonotic pathogen transmitted to humans from infected pigs. Nearly all human cases of S. suis are caused by serotype 2 organisms, and meningitis is the best‐documented type of human infection. On rare occasions, S. suis can be transmitted to humans from wild boars.
Here we report a case where S. suis of serotype 14 was transmitted from a wild boar to a previously healthy 63‐year‐old man, causing meningitis, spondylodiscitis, a psoas abscess and a prolonged post‐infectious inflammatory condition. The infection was treated with a long course of β‐lactam antibiotics, but signs of inflammation were relieved only after the addition of corticosteroids. The isolate was found to harbour the virulence‐associated gene sly.
S. suis of serotypes other than type 2 can be transmitted to humans from wild boars and the disease may become complicated. Increasing numbers of wild boars in some European countries calls for increased vigilance to this type of infection.
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