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Circulation of enteroviruses and persistence of meningitis cases in the winter of 1999–2000

✍ Scribed by Martine Chambon; Christine Archimbaud; Jean-Luc Bailly; Cécile Henquell; Christel Regagnon; Françoise Charbonné; Hélène Peigue-Lafeuille

Book ID
102378633
Publisher
John Wiley and Sons
Year
2001
Tongue
English
Weight
140 KB
Volume
65
Category
Article
ISSN
0146-6615

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✦ Synopsis

Abstract

The seasonal incidence of enterovirus meningitis was analyzed in a prospective study of patients admitted for suspected meningitis from October 1, 1998 to April 30, 2000. In‐house reverse transcription‐polymerase chain reaction (RT‐PCR) in cerebrospinal fluid (CSF) was used irrespective of cytological results. Fifty‐two (45.2%) of the 115 patients had positive RT‐PCR in CSF, including 44/86 children (51.2%) and 8/29 adults (27.6%). Six of the 52 (11.5%) had no pleocytosis. The numbers of CSF specimens with a predominance of lymphocytes or a predominance of neutrophils were closely similar. In 33 of the positive patients, an enterovirus, mainly echoviruses type 6 (48%) and 30 (24%), was recovered in one or more specimens. Sixteen cases of enteroviral meningitis were observed between November 1999 and March 2000 as against 2 cases between November 1998 and March 1999, showing that the disease persisted through the winter months of 1999–2000. During the same period, 96 enterovirus isolates were recovered from clinical specimens from other patients. The number of isolates was higher in the winter of 1999–2000 (P < 0.01) than in the winter of 1998–1999, indicating that the risk of enterovirus infection increased significantly in winter 1999–2000. Sixteen patients had aseptic meningitis, made a rapid recovery and had an enterovirus in throat swabs and stools (9/16) or in one of the two (7/16). RT‐PCR was not requested. Nine patients were admitted during the cold months. The clinical management of both adult and child patients could be improved by year‐round use of enterovirus generic RT‐PCR. J. Med. Virol. 65:340–347, 2001. © 2001 Wiley‐Liss, Inc.

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