Clinical implications of dual-positive rapid influenza diagnostic tests during influenza season: Co-colonization, coinfection, or false positive test?

Highlights • During influenza season, adults with influenza like illnesses are often admitted to the hospital for influenza testing and evaluation. • A rapid influenza diagnostic test (RIDT), if positive, is considered diagnostic for influenza A or B. • Rarely, patients have a positive RIDT for both...

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Bibliographic Details
Published in:American journal of infection control 2014-10, Vol.42 (10), p.1139-1140
Main Authors: Cunha, Burke A., MD, MACP, Connolly, James J, Abruzzo, Eileen, RN, CIC
Format: Article
Language:English
Subjects:
Adult
Child
Child, Preschool
Coinfection - diagnosis
Coinfection - virology
Diagnostic Errors
Diagnostic tests
Diagnostic Tests, Routine - methods
Disease control
Hospitals
Humans
Infection Control
Infectious Disease
Influenza
Influenza A virus - isolation & purification
Influenza B virus - isolation & purification
Influenza, Human - diagnosis
Influenza, Human - virology
Polymerase chain reaction
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Summary:Highlights • During influenza season, adults with influenza like illnesses are often admitted to the hospital for influenza testing and evaluation. • A rapid influenza diagnostic test (RIDT), if positive, is considered diagnostic for influenza A or B. • Rarely, patients have a positive RIDT for both influenza A and B prompting several questions; that is, co-colonization, coinfection, or false positive test? • In such cases repeat testing by PCR will identify the infecting strain.
ISSN:0196-6553
1527-3296
DOI:10.1016/j.ajic.2014.06.016