Table 3

Potential Role of Deer Tick Virus in Powassan Encephalitis Cases in Lyme Disease–endemic Areas of New York, USA

Marc Y. El Khoury¹

, Jose F. Camargo¹, Jennifer L. White, Bryon P. Backenson, Alan P. Dupuis, Kay L. Escuyer, Laura Kramer, Kirsten St. George, Debarati Chatterjee, Melissa Prusinski, Gary P. Wormser, and Susan J. Wong

Author affiliations: New York Medical College, Valhalla, NY, USA (M.Y. El Khoury, J.F. Camargo, D. Chatterjee, G.P. Wormser); Wadsworth Center, New York State Department of Health, Albany, NY, USA (J.L. White, B.P. Backenson, A.P. Dupuis II, K.L. Escuyer, L. Kramer, K. St. George, M. Prusinski, S.J. Wong)

Main Article

Diagnostic evaluation and outcome of POWV/DTV encephalitis, by county and date of illness, New York, USA, 2004–2012*

Category	Data by case no.
Category	1	2	3	4	5	6	7	8	9	10	11	12	13†	14
Patient age, y	91	83	70	5	62	77	81	81	9	4	76	73	77	32
Date of illness	Jun 2004	Aug 2005	Jun 2007	Aug 2007	Jun 2007	Nov 2007	Nov 2007	Jul 2007	Jul 2008	Apr 2009	Jan 2009	Jun 2009	Dec 2010	Apr 2012
County	Alb	West	Cort	Lewis	Put	West	West	West	West	Dutch	Mad	Put	Put	Dutch
LHV	No	Yes	No	No	Yes	Yes	Yes	Yes	Yes	Yes	No	Yes	Yes	Yes
POWV MIA
Acute	Pos	Neg	Pos	Pos	ND	Pos	Pos	Neg	Pos	Pos	Neg	Pos	Pos	Pos
Conv	Pos	Pos	Pos	Pos	ND	Pos	Pos	Ind	Pos	Pos	Pos	Pos	Pos	Pos
PRNT titer
Acute	40,960	320	320	20	ND	320	1,280	<10	10	320	<10	2,560	5,120	1,280
Conv	40,960	1,280	320	80	ND	320	5,120	40	160	2,560	40	20,480	5,120	320
PCR for POWV/DTV NS5 gene	ND	ND	ND	ND	Pos (brain)	ND	ND	Neg	ND	Neg	Neg	Neg	Pos (CSF)	Neg
Lineage	U	U	U	U	DTV	U	U	U	U	U	U	U	DTV	U
Outcome	LADL	LADL	Died	LADL	Died	Died	LADL	Died	LADL‡	LADL	LADL	LADL‡	Died	LADL
WNV testing
ELISA	IgM–, IgG+	Neg	Neg	IgM–, IgG+	ND	Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg	Neg
PRNT	Neg	Neg	NA	Neg	NA	Neg	NA	NA	NA	Neg	NA	NA	Neg	Neg
SLEV PRNT
Acute	Neg	10	Neg	NA	NA	Neg	NA	NA	NA	Neg	NA	NA	Neg	Neg
Conv	Neg	80	Neg	NA	NA	Neg	NA	NA	NA	Neg	NA	NA	Neg	Neg

[[tablefoot]]

Main Article

¹These authors contributed equally to this article.

Page created: December 11, 2013

Page updated: December 11, 2013

Page reviewed: December 11, 2013

The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.

Volume 19, Number 12—December 2013

CME ACTIVITY - Synopsis

Potential Role of Deer Tick Virus in Powassan Encephalitis Cases in Lyme Disease–endemic Areas of New York, USA

Table 3