UFUNAT, sepsis (yunoni sepsis— pusish), bemorii vaznini siroyatiest, ki dar natijai voridi khunu boftaho gardidani makhsusan mikroorzanizmhoi chirkdor (stafilokokkho, streptokokkho) ba vujud meoyad.
Dardi sar (dar holati vaznin — pareshonholi), baland shudani harorat (to 39—40°1S), varam, noqib (yagir), tromboz va gayra zuhuroti umumii ufunatand. Ba ufunat hayvonot niz giriftor megardand.