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What is What is FEVER WITHOUT A FOCUS  and explain in detail?
Infants or young children who have a fever with no obvious source of infection. Fever is defined as a rectal temperature that exceeds 38 degree celsius . Direct the initial evaluation of these patients toward identifying or ruling out SBI, most commonly urinary tract infections. Meningitis, pneumonia, UTI, and bacteremia are serious etiologies of fever in infants and young children.