B. Enteric fever.
C. Relapsing fever.
D. Hogkin’s lymphoma.
Fever pattern as represented in the picture above represents step ladder pyrexia.
The clinical syndromes associated with S typhi and paratyphi are indistinguishable. Typhoid fever begins 7-14 days after ingestion of the organism .
The fever pattern is stepwise, characterized by a rising temperature over the course of each day that drops by the subsequent morning. The peaks and troughs rise progressively over time.