THE SEROLOGICAL TYPING OF HEMOLYTIC STREPTOCOCCI OF THE LANCEFIELD GROUP A
نویسندگان
چکیده
منابع مشابه
The Serological Typing of Hemolytic Streptococci
The relationships among the hemolytic streptococci have been greatly clarified by the fundamental work of Lancefield (1). She has shown that these organisms may be classified into groups on the basis of a precipitin reaction and ample evidence has accumulated (2, 3) to show that almost all human infections are caused by members of her Group A. Strains of the groups from B to K are responsible f...
متن کاملTyping Group a Hemolytic Streptococci
Two methods of typing group A hemolytic streptococci have been described: slide agglutination and anti-M precipitin tests. The first, developed by Griffith (1), is more extensively used. I t has the distinct advantages of requiring small amounts of serum and culture, and of a quick reaction time when all conditions are favorable. I t has certain disadvantages: The granular growth of some strain...
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In a recent paper Boisvert,' reports that of 509 strains of Streptococcus hemolyticus isolated from 262 cases of streptococcal disease and grouped by means of the precipitin test, all fell into Lancefield's Group A; all of these cases were infants and children. Our own work has been along similar lines and was planned as a further test of the striking relationship between Group A streptococci a...
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ژورنال
عنوان ژورنال: Journal of Clinical Investigation
سال: 1942
ISSN: 0021-9738
DOI: 10.1172/jci101293