Identification of an influenza A H1N1/2009 virus with mutations in the matrix gene causing a negative result by a commercial molecular assay

MeSH terms

• Adult
• False Negative Reactions*
• Humans
• Influenza A Virus, H1N1 Subtype / genetics
• Influenza A Virus, H1N1 Subtype / isolation & purification*
• Influenza, Human / diagnosis*
• Influenza, Human / virology
• Male
• Molecular Diagnostic Techniques / methods*
• Molecular Sequence Data
• Mutation*
• RNA, Viral / genetics
• Sequence Analysis, DNA
• Viral Matrix Proteins / genetics*