| http://www.w3.org/ns/prov#value | - Since the employment of Widal's test, the field has widened by proving that typhoid fever in certain mild types may be overlooked in children or mistaken for some other affection.During the fall of 1913, an epidemic of typhoid fever occurred in the lower East side of New York, including 521 reported cases, with a mortality of 11.7 per cent.
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