منابع مشابه
The Routine Preparation of Scarlet-fever Toxin of High Value
A NUMBER of attempts have been made in recent years to improve the quality of scarlet fever toxin, of which the most noteworthy is that of Hooker et al. (1933), who by a special technique obtained toxin with a value of 500,000 skin test doses per c.c. For some time past, however, the routine toxins prepared in this laboratory have been of considerably greater potency than those described by the...
متن کاملThe pyrogenic effect of scarlet fever toxin. IV. Pyrogenicity of strain C 203 U filtrate: comparison with some basic characteristics of the known types of scarlet fever toxin.
The pyrogenic activity of scarlet fever toxin has been described a number of times. The "classic" toxin, prepared from the Dochez NY 5 strain, was found to have a double specificity, designed by Hooker and Follensby as "A" and "B".1 More recently, Watson has analyzed the antigenic components of this toxin and found a third type, which he has denoted "C"1.2 In working with a mutant strain of str...
متن کاملThe Comeback of Scarlet Fever
Streptococcus pyogenes (group A Streptococcus, GAS) is arguably the clone (Tse et al., 2012; You et al., 2018). The emm12 type is not new most virulent of all clinically important streptococci with a propensity to cause severe invasive diseases, toxic shock syndrome, and immunopathological damages such as acute rheumatic fever. Since the 1980s, severe GAS infections such as necrotizing fasciiti...
متن کاملThe relapse in scarlet fever.
In this country during the past decade the prevalence of a benign type of scarlet fever has been reflected in the case mortality which has seldom exceeded one per cent. in any of the great cities. The present day chances of a severe attack of the disease may be illustrated by the statement that of 1,743 admissions to the Leeds City Hospital in 1933, only one manifested the malignant type, while...
متن کاملA Case of Scarlet Fever
She was in bed with a temperature of 101 ?F. and pulse 120 per minute. The rash spread from head to foot and desquamation had already started. For the most part it consisted of fine scales, while on the palms and soles large flakes?complete glove-like casts?were about to be thrown off. The pharynx was very congested. The tongue was thickly furred and flabby, but not typical of scarlet fever. Th...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1941
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)72997-9