Our studies have shown that all cases of typhoid of this type have arisen by contact, that is, carried directly from one person to another. There was no trace of a connection to drinking water.


'Die Bekämpfing des Typhus', Veröffentlichungen aus dem Gebiete des Militär-Sanitätswesens, 1903, 21. Quoted in English in Thomas D. Brock, Robert Koch: A Life in Medicine and Bacteriology (1988)


Our studies have shown that all cases of typhoid of this type have arisen by contact, that is, carried directly from one person to another. There was ...

Our studies have shown that all cases of typhoid of this type have arisen by contact, that is, carried directly from one person to another. There was ...

Our studies have shown that all cases of typhoid of this type have arisen by contact, that is, carried directly from one person to another. There was ...

Our studies have shown that all cases of typhoid of this type have arisen by contact, that is, carried directly from one person to another. There was ...