Table 2. Clinical observations in 4 patients with test results positive for lymphocytic choriomeningitis virus, southern Iraq*.

Observation	CSF RNA–positive patients			IgM–positive patients
	Male. no. 11	Female. no. 64		Male. no. 61	Female. no. 38
Diagnosis	Meningoencephalitis	Meningitis		None	No diagnosis
Duration of illness	7	4		3	3
Symptoms	Fever	Fever		Fever	Fever
	Chills	Chills		Headache	Chills
	Headache	Headache		Drowsiness	Headache
	Cough	Cough		Vertigo	General malaise
	Retroorbital pain	Retroorbital pain		Joint pain	Vertigo
	Severe muscle weakness	Severe malaise			Abdominal pain
	Drowsiness	Drowsiness			Fatigue
	Vertigo	Vertigo
	Joint/ bone pain	Joint pain
	Stiff neck

*CSF, cerebrospinal fluid; LCMV, lymphocytic choriomeningitis virus.