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Journal of Clinical Microbiology, October 1998, p. 2865-2868, Vol. 36, No. 10
Laboratory of Public Health,
Received 6 March 1998/Returned for modification 26 May
1998/Accepted 9 July 1998
Detection of enteroviruses and adenoviruses mainly in fecal
specimens by rapid culture with inoculation onto cell monolayers in
flat-bottom tubes by centrifugation and immunofluorescence staining
with genus-specific monoclonal antibodies was compared with that by the
conventional virus isolation procedure. For both conventional
culture and shell vial culture human lung fibroblast cells and tertiary
monkey kidney cells were used. For enterovirus detection, 979 clinical
specimens (916 stool specimens, 56 cerebrospinal fluid specimens, and 7 nasopharyngeal swabs) were used. Conventional culture detected 74 enterovirus isolates. A cytopathic effect compatible with the presence
of an enterovirus after 3 days of incubation occurred in 25 of the 74 (34%) specimens that eventually became positive. The detection
rate for enteroviruses by rapid cell culture after 2 to 3 days of
incubation was 42 of 74 (57%). The genus-specific enterovirus
monoclonal antibody did not react with strains of echovirus types 22 and 23 or enterovirus type 71. Rapid cell culture for the detection of
adenoviruses was performed with 567 clinical specimens (536 stool
specimens, 25 cerebrospinal fluid specimens, and 6 miscellaneous specimens), in which 42 adenoviruses were found by
conventional culture. Nine of the 42 (21%) adenovirus isolates
were detected by conventional culture within 3 days after inoculation,
whereas 21 (50%) were found by rapid cell culture within 2 to 3 days.
Only two of the nine specimens found to be positive for the enteric
adenovirus type 41 by conventional culture as well by a
type-specific enzyme-linked immunosorbent assay (ELISA) tested
positive by rapid cell culture. In conclusion, the rapid shell vial
assay allows the early detection and identification of
enteroviruses and adenoviruses in clinical specimens but is markedly
less sensitive than the conventional isolation procedure according
to the eventual results of the conventional isolation procedure.
Conventional cell culture remains a prerequisite for serotyping of
enteroviral isolates. On the basis of the results for adenovirus type
41, the rapid detection of adenoviruses was not considered to be useful
for the detection of clinically relevant adenoviruses in fecal samples.
0095-1137/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Rapid Shell Vial Culture Technique for Detection of
Enteroviruses and Adenoviruses in Fecal Specimens: Comparison with
Conventional Virus Isolation Method
*
Corresponding author. Mailing address: Laboratory
of Public Health, Municipal Health Service, Nieuwe Achtergracht
100, 1018 WT Amsterdam, The Netherlands. Phone: (31) (20) 555 5293. Fax: (31) (20) 555 5533. E-mail: gvdoornum{at}gggd.amsterdam.nl.
Journal of Clinical Microbiology, October 1998, p. 2865-2868, Vol. 36, No. 10
0095-1137/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
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