\nT/CAV 023-2025 Seasonal influenza virus egg-based vaccine candidate representative strain screening
T/CAV 023-2025
Basic Information
Scope
Main technical content: 5. Basic requirements for vaccine candidate representative strains 5.1 Basic information 5.2 Separation and culture substrates 5.3 Information on activity and passage history 5.4 Single strain cultures 5.5 Homologous clinical sample cell isolation strains 6. Antigenicity of vaccine candidate representative strains 6.1 Antigenicity of vaccine-similar strains 6.2 Antigenicity of new mutant vaccine candidate representative strains 6.3 Antigenicity similarity between vaccine candidate representative strains and homologous sample cell isolation strains 7. Genetic characteristics of vaccine candidate representative strains 7.1 Genetic characteristics of vaccine-similar strains 7.2 Genetic characteristics of new mutant vaccine candidate representative strains 7.3 Single-strain sequence of vaccine candidate representative strains 8. Growth characteristics of vaccine candidate representative strains 8.1 HA titre 8.2 HA protein production 9. Screening principles for vaccine candidate representative strains Appendix A (informative) Example of detection of two-way hemagglutination inhibition test Appendix B (normative) Screening principles for vaccine candidate representative strains