Lethal cases are rare, but in a few cases "the persistent fever might lead to heart failure".

Imagine going to the doctor to get treatment for a persistent fever.

A persistent fever may be the only symptom.

Call your doctor if you have severe abdominal pain, persistent fever, or vaginal bleeding.

Military doctors have told all troops who were in the region to carefully watch themselves for persistent fevers.

The men and women, who were from 29 to 40 years old, died one to seven weeks after developing a flu-like illness and persistent fever.

In summer 1988, Gertz developed a persistent fever and chronic diarrhea.

He came in suffering aches and pains and a persistent high fever.

In case of recurrent or persistent fever, antifungal agent should be added.

I was seven weeks getting back, nursing broken ribs and a persistent fever.