Related Experiment Video
Updated: Aug 12, 2026

High-throughput Detection Method for Influenza Virus
Published on: February 4, 2012
[Discovery of a novel reassortant H1N2 influenza virus]
Abstract:
Three strains of influenza A virus were isolated from patients suffering from influenza like disease in Railway Hygiene and Anti-epidemic Station of Taiyuan in January 1996. The identification results by serological method indicated that the isolates were different from H1N2 subtype of influenza A virus isolated from men in 1989 and 1992 and that their HA antigenicity was similar to that of A/RP/8/34 (H1N1) virus, but distinguishable from that of influenza A (H1N1) virus circulating in mans recently. The comparison of migration patterns of the RNA among the isolates, the A/PR//34 (H1N1) and the A/Wuhan/359/95 (H3N2) viruses revealed that the migration patterns of RNA 1-4 segments of the isolates were similar to those of A/PR/8/34 (H1N1) virus, but those of RNA 5-6 segments were indistinguishable from those of A/Wuhan/359/95 (H3N2) strain. However, the migration patterns of RNA 7-8 segments of the isolates were not only different from those of A/PR/8/34 (H1N1) virus, but also distingrasgable from those of A/Wuhan/359/95 (H3N2) strain. Therefore, it could be considered that the isolates were a novel reassortant H1N2 influenza A virus.
Insights
Three novel reassortant H1N2 influenza A virus strains were identified in Taiyuan in 1996. These findings highlight the potential for new influenza virus subtypes to emerge and circulate in human populations.
Area of Science:
- Virology
- Epidemiology
- Molecular Biology
Context:
- Influenza A virus surveillance is crucial for public health.
- Understanding influenza virus evolution aids in predicting and preventing outbreaks.
- Previous influenza A virus strains (H1N1, H3N2) circulated in human populations.
Purpose:
- To identify and characterize influenza A virus strains isolated from patients with influenza-like illness.
- To determine the subtype and genetic makeup of novel influenza A virus isolates.
- To investigate the potential for reassortment in influenza A virus evolution.
Summary:
- Three influenza A virus strains were isolated from patients in Taiyuan in January 1996.
- Serological analysis indicated the isolates were a novel H1N2 subtype, distinct from previously identified H1N2 and recent H1N1 strains.
- RNA segment analysis revealed genetic similarities to both A/PR/8/34 (H1N1) and A/Wuhan/359/95 (H3N2) viruses, confirming a reassortant nature.
Impact:
- Identified a novel reassortant H1N2 influenza A virus, expanding knowledge of influenza diversity.
- Provides insights into the mechanisms of influenza virus genetic reassortment.
- Contributes to ongoing influenza surveillance and pandemic preparedness efforts.
More Related Videos
Related Concept Videos
Viral Recombination
Viral Mutations
Leaky Scanning
Influenza
Inhibitors Of Virion Release

