The following symptoms and signs have been reported: fever in excess of 100.4 °F (38 °C), lethargy (weakness), headaches, muscle pain (myalgia ), loss of appetite, nausea, diarrhea, weight loss, joint pain(arthralgia), low white blood cell count (leukopenia) and easy bruising from low platelet count(thrombocytopenia). Elevated liver transaminases may also be present.[7]