Mitochondrial Disease as a Cause of Neonatal Hemophagocytic Lymphohistiocytosis

Table 3

Laboratory findings about antecedent infection.

Infection	Blood
	Toxoplasma	IgM (−)
	Parvovirus B19	IgM (EIA) (−), PCR (−)
	Rubella	IgM (EIA) (−), PCR (−)
	Herpes simplex virus	IgM (EIA) (−), PCR (−)
	Cytomegalovirus	IgM (EIA) (−), PCR (−)
	Epstein-Barr virus	PCR (−)
	Urine
	Cytomegalovirus	PCR (−)
	Primary isolation of virus (day 7)	(−)
	Feces  ⋅  throat
	Primary isolation of virus (day 7)	(−)

This table shows the laboratory findings regarding antecedent infection. We took samples for primary isolation of virus on day 7. The other samples were taken on admission. All findings were negative.