A hospital outbreak of typhoid fever

Abstract
1. An epidemic of typhoid fever involving 135 persons in a semi-closed community of. 742 persons is described.2. There were nineteen symptomless excreters (14·1%).3. Among the 116 clinical cases there were seven deaths, giving a case fatality of 6.03%. If the case fatality were calculated on the total persons involved (including symptomless excreters), the figure would be 5·2%.4. The origin of the outbreak was not discovered, but there was strong cricumstantial evidence in favour of a milk-borne infection.