<prompt> Anti-DNase B is used for the diagnosis ofStaphylococcusStreptococcusCorynebacteriumNeisseria  <response>: Antideoxyribonuclease B anti-DNase B: serological test to determine streptococcal infection. Titres higher than 300 are taken as significant. Anti-DNase B and antihyaluronidase test are very useful for retrospective diagnosis of streptococcal pyoderma for which ASO is of much less value. 