An invasion of the blood stream by the germ called Streptococcus haemolyticus may be one of the most dreadful diseases that can befall a human being. The germ, breeding in the blood, destroys the red ...

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THE study of the spread of bacterial pathogens in a free-living human population presents obvious difficulties. We have considered that a practical method was, first, to determine some common endemic ...

IT has been recently demonstrated by McIlwain, Fildes, Gladstone and Knight 1 that glutamine is an essential growth factor for most strains of hæmolytic streptocci freshly isolated from pathological ...

THERE is evidence of immunological cross-reaction between structural glycoproteins extracted from human or bovine heart valves and parietal polysaccharides of haematolytic group A streptococci 1,2.