How to determine if you have influenza A or B

Clinically, it is often necessary to differentiate between influenza A and influenza B in order to provide accurate treatment. To precisely determine whether the virus is influenza A or B, two main methods are commonly used: the first is based on virological analysis, using serological antibody formation, fever patterns, and virus-specific serological tests for qualitative diagnosis; the second is nucleic acid-based qualitative diagnosis, which detects viral RNA via PCR technology, significantly improving diagnostic accuracy for viral infections. Additionally, precise viral diagnosis can be achieved through methods such as viral culture, protein immunological assays, and flow cytometry. Finally, computer-aided diagnostic systems can also be employed, integrating patients' clinical symptoms to accurately diagnose viral infections.