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Table 2 Microbiological testing on different days in relation to the day of diagnosis

From: Monkeypox virus-associated meningoencephalitis diagnosed by detection of intrathecal antibody production

 

Sample type

Day of testing

Pathogen

Analysis

Result

Molecular testing

and culture

Vesicle secretion

d1

Monkeypox virus

PCR

Positive

d12

Herpes simplex virus (HSV) type 1 and 2

Negative

Throat swab and urine

 

C. trachomatis and N. gonorrhoeae

Negative

CSF

d12

Bacteria

Culture

Negative

HSV type 1 and 2, varicella zoster virus

PCR

Negative

d12, d15

Monkeypox virus

Negative

Orthopox virus

Negative

E. coli K1, H. influenzae, L. monocytogenes, N. meningitidis (capsuled), S. agalactiae, S. pneumoniae, cytomegalovirus, enterovirus, HSV type 1 and 2, human herpes virus 6, human parechovirus, varicella-zoster-virus and Cryptococcus neoformans/gattii.

FilmArray

Negative

Serological testing

CSF

d12

Monkeypox virus

Immunfluorescence (titer IgG)

32

1280

Serum

d13

CSF

d12

EBV

Immunfluorescence (titer IgG)

0

Serum

d13

EBV

80

Serum

d13

HIV

Screening (antigen and antibodies)

Negative

Antigen innotest

Negative

Hepatitis B

HBsAg

Negative

Hepatitis C

Anti HCV

Negative

CMV, EBV

CMV IgG

Positive

CMV IgM

Negative

EBV EBNA IgG

Positive

CSF

d12

Borrelia Burgdorferi

IgG

Negative

IgM

Negative

Serum

d14

IgG

Negative

IgM (Screening)

Borderline positive

IgM (Western Blot)

Negative

CSF

d12

Autoimmune encephalitis panel

antibodies against NMDA-R,

CASPR2, AMPA1/2, LGI1, DPPX,

GABARB1/2

Negative

Serum

d13

CSF

d12

Tick-borne encephalitis

Intrathecal antibodies

Negative

Serum

d15

TBE IgG

Positive

TBE IgM

Negative

CSF

d15

Syphilis

TPPA

Positive (serum/CSF quota 1280)*

VDRL

Negative

Serum

TPPA

Antibodies positive*

VDRL

Negative

Wasserman’s reaction

Negative

  1. * The patient was previously successfully treated for confirmed syphilis infection within the last 6 months, and the serum/CSF ratio was high and interpreted as not consistent with intrathecal antibody production