Flu B Symptoms 2024. Flu a and flu b are both types of the influenza virus, but there are differences. If you do get sick with the flu, the most common symptoms include a sudden onset of fever, chills, muscle aches, fatigue and respiratory ailments, such as a.

They can affect different populations more severely but have the same symptoms and treatment. The patient sought health care during the week ending march 9, 2024, and had the following symptoms: