A rapid, single-step multiplex reverse transcription-PCR assay for the detection of human H1N1, H3N2, and B influenza viruses.
J Clin Virol
; 25(3): 345-50, 2002 Dec.
Article
in En
| MEDLINE
| ID: mdl-12423698
ABSTRACT
BACKGROUND:
Influenza is a viral respiratory pathogen responsible for frequent seasonal epidemics. There are currently three major human influenza viruses in global circulation, H1N1, H3N2 and B.OBJECTIVES:
A one-step multiplex reverse transcription (RT)-polymerase chain reaction (PCR) assay targeting the HA1 segment of the human hemagglutinin gene was developed as a rapid surveillance method. STUDYDESIGN:
A researcher-blind study was performed using 112 randomly selected, culture-positive clinical samples collected through the Department of Defense (Global Emerging Infectious Surveillance (DOD-GEIS) influenza network during the 2000-2001 influenza season. Three subtype specific primer sets capable of producing PCR products with base-pair lengths of 585, 402 and 290 corresponding to influenza H1, H3, and B subtypes, respectively, were utilized together in a one step, one tube, reaction.RESULTS:
Multiplex primers were able to simultaneously type, and subtype 100% (112/112) of positive cultures.CONCLUSIONS:
The results confirm that this assay is a highly sensitive and timely surveillance tool for rapid detection and simultaneous subtyping of clinical influenza specimens isolated worldwide.
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Collection:
01-internacional
Database:
MEDLINE
Main subject:
Influenza A virus
/
Influenza B virus
/
Hemagglutinin Glycoproteins, Influenza Virus
/
Reverse Transcriptase Polymerase Chain Reaction
/
Influenza A Virus, H1N1 Subtype
/
Influenza A Virus, H3N2 Subtype
Type of study:
Clinical_trials
/
Diagnostic_studies
Limits:
Humans
Language:
En
Journal:
J Clin Virol
Journal subject:
VIROLOGIA
Year:
2002
Type:
Article
Affiliation country:
United States