(1) Rarely, patients may have influenza-like symptoms, transient pyrexia , or allergic reactions.(2) nine patients had unexplained pyrexia(3) Fever, or pyrexia , refers to a rise of up to 40.5u00b0C and hyperpyrexia to a greater rise.(4) Julie still had a pyrexia(5) In Perth, maternal pyrexia and preceding viral illness were both importantly associated with encephalopathy.(6) Heat exhaustion typically is associated with nonspecific signs and symptoms and mild pyrexia .(7) Along with the constant infestation of lice came the high risk of pyrexia , or trench fever.(8) She was pyrexial and vomiting (two siblings had similar but less marked symptoms).(9) Of the 152 serum samples from individuals with pyrexic illness, 23 were positive for anti-hantavirus IgM by EIA.(10) She's also gone lame which is one of the symptoms ( pyrexial and limping syndrome).(11) He remained pyrexial , his C reactive protein concentration and hepatic transaminases continued to rise, and he became increasingly unwell.(12) On admission to the neurology department she was pyrexic at 38.9u00b0C, incoherent and not oriented in time or space.