Spring viraemia of carp (rhabdoivirus carpio)
Squamous cell carcinoma (site unspecified)
Squamous papilloma (site unspecified)
Staph xylosus infection
Subdural haematoma
Subepidermal blistering disease
Subepidermal bullous disease
Subepiglottic cyst
Subepiglottic granuloma
Streptobacillus moniliformis (rat bite fever)