Flu B Symptoms 2024 In Us. Influenza b symptoms are similar to those of the common cold, but influenza b is highly contagious and may lead to serious complications if left untreated. Flu a and flu b are both types of the influenza virus, but there are differences.

Learn about flu risks, vaccination, prevention strategies, and how to manage symptoms effectively with this comprehensive flu season guide. Here’s what you need to know about the similarities and differences between influenza a and b, including whether their symptoms vary and how the flu shot can help prevent both.