الانفلونزا (أنفلونزا) هو مرض تنفسي معدي تسببه فيروسات الأنفلونزا. فيما بينها, Influenza A and Influenza B are the main types responsible for seasonal outbreaks. Understanding their differences is important not only for prevention and treatment, but also for accurate influenza virus testing and specimen collection in clinical and laboratory settings. What Is Influenza A? Influenza A is the …