FDG-PET/CT helped establish a final diagnosis in a 9-year-old boy with fever of unknown origin. a, b: FDG-PET scans; c, e: low-dose CT; d, f: fused FDG-PET/CT. (Courtesy: CC BY 4.0/Eur. J. Nucl. Med.

The primary culprit behind fever blisters is the herpes simplex virus, specifically HSV-1. This highly contagious virus is easily transmitted through close personal contact, such as kissing or sharing ...

A new retrospective, laboratory-based observational study provides detailed insights into the causes of fevers of unknown origin in sub-Saharan Africa. Scientists examined 550 patients from Guinea who ...

A fever is a temporary rise in body temperature. It’s not considered an illness on its own, but rather a symptom that can be caused by many different conditions. Elevated body temperature can be a ...

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Influenza activity is currently high in California, with a significant number of flu-related hospitalizations and deaths reported this season. Fever is the body's natural response to fight off ...

Toddlers can develop a rash as a result of a viral infection. Although fever is a common symptom of viral infections, not all toddlers with a viral rash also experience a fever. In this article, we ...

Our stories are reviewed by medical professionals to ensure you get the most accurate and useful information about your health and wellness. For more information, visit our medical review board. This ...

Strep throat is a bacterial infection that usually causes a sore throat. People often also associate the infection with a fever, but it is possible for a person to have strep throat and not have a ...