Table 4.

H1N1 case reports submitted to CISA with documented concurrent infections

Diagnosis	Infectious etiology	Testing
Encephalitis	Influenza, type A	Nasopharyngeal rapid test positive
Acute Demyelinating Encephalomyelitis	Parainfluenza	PCR nasopharyngeal positive
Acute Demyelinating Encephalomyelitis	Parainfluenza	Positive culture nasal wash
Seizure	H1N1 influenza, wild type	Nasal swab culture positive
Demyelinating Disorder of Unclear Etiology	Hepatitis B	Previously diagnosed
Demyelinating Disorder of Unclear Etiology	Mycoplasma	Serum IgM positive
Seizure	Group A Streptococcus	Positive culture
Bell’s Palsy	Herpes Simplex Virus	Unknown test
Encephalitis	Mycoplasma and Enterovirus	IgM positive
Transverse Myelitis	Mycoplasma	Serum Mycoplasma IgM and IgG positive
GBS, Brighton level 2 a	Group A Streptococcus	Rapid antigen detection test positive
GBS, Brighton level 2 a	Pneumococcus	Positive blood culture
GBS, Brighton level 2 a	Mycoplasma	“Serum Reactive” IgM
GBS, Brighton level 2 a	Borrelia burgdorferi	Positive antibody screen and western blot
GBS, Brighton level 2 a	Epstein Barr Virus	EBV IgM positive serum
GBS, Brighton level 2 a	Enterovirus	Positive PCR in CSF
GBS, Brighton level 1 a	Cytomegalovirus	Serum IgM and IgG positive
GBS, Brighton level 1 a	Cytomegalovirus	CSF and serum DNA positive
GBS, physician diagnosed	Human Immunodeficiency Virus	Previously diagnosed

^aBrighton Collaboration [10]