Dukes' disease
（重定向自Fourth disease）
Dukes' disease, named after Clement Dukes, also known as fourth disease or Filatov’s disease (after Nil Filatov), is an exanthem. It is distinguished from measles or forms of rubella though it was considered as a form of viral rash. Although Dukes identified it as a separate entity, it is thought not to be different from scarlet fever caused by exotoxin-producing Streptococcus pyogenes after Keith Powell proposed equating it with the condition currently known as Staphylococcal scalded skin syndrome in 1979.