Low-grade fever

Prevalence

 * 45.7% - 56.5% of the 2073 patients in a Belgian study of 2001 reported low-grade fever.

Symptom recognition

 * In the Holmes criteria, a mild fever (oral temperature between 37.5 degrees C and 38.6 degrees C, if measured by the patient) is an optional criteria for diagnosis, under the section Minor Symptom Criteria.