The lymphocyte transformation responses to purified preparations of two extracellular
products of group A streptococci (blastogen A and nuclease B), to phytohemagglutinin, and …

The group A streptococci are associated with a group of diseases affecting the heart, brain,
and joints that are collectively referred to as acute rheumatic fever. The streptococcal …

The role of streptococcal infections in initiating the diverse clinical and pathological
manifestations of rheumatic fever and rheumatic heart disease is considered in relation to …

A clinical microbiology report that indicates only the presence of P-haemolytic streptococci is
grossly inadequate. Accurate clinical diagnosis depends on knowledge of the specific …

Acute rheumatic fever (ARF) is an autoimmune disease occurring in individuals following
untreated group A streptococcal infection believed to be triggered by antibodies to bacterial …

Gamma globulin fractions of rabbit antisera prepared with whole cell vaccines of group B
types Ia, Ib, II, and III and labeled with fluorescein isothiocyanate stained group B …

The group A streptococcus is the most common bacterial agent associated with pharyngitis
in children and young adults. An important facet of infection by this organism is the potential …

Archived sera (collected in 1946) from acute rheumatic fever (ARF) and untreated scarlet
fever and/or pharyngitis patients were reacted with streptococcal M protein, cardiac myosin …

A total of 155 strains of beta-hemolytic streptococci were serologically grouped by
conventional techniques (Lancefield extraction and capillary precipitin testing) and by latex …

A two-stage radioimmunoassay (RIA) has been developed that identifies type-specific
antigens on the surfaces of group B streptococci. In addition to detecting the type-specific …