Abstract
1. The paper records, for the first time, the isolation ofBact. paratyphosumC in Egypt.2. It has been isolated from the urine of nine patients and the faeces of two patients suffering from enteric fever during the summer of 1937 and the early part of the present year.3. Its frequency is comparable with that ofBact. paratyphosumA, and may exceed that ofBact. paratyphosumB.4. Its inclusion in prophylactic vaccines, along with the usual “T.A.B”. vaccine is worthy of serious consideration.