Influenza B is one of two main types of viruses that are responsible for seasonal flu epidemics each year.
Treatment for flu B often includes home remedies and letting the virus take its course.
In some situations, prescription antiviral medications are used to treat the flu.
Illustration by Mira Norian for Verywell Health
Illustration by Mira Norian for Verywell Health
What Is Influenza B?
Influenza B viruses cause a respiratory illness that infects the nose, throat, and sometimes the lungs.
Flu B is contagious and easily passed from person to person.
To avoid infection, it’s also important to practice good hygiene, including frequent hand washing.
Flu B symptoms can range from mild to severe.
They’re also more likely in people with a flu B infection.
Influenza A vs. ## Summary
Flu A and flu B are two common types of flu that affect humans.
The symptoms are the same and treatment involves home remedies and sometimes prescription antiviral medications.
The seasonal flu shot is designed to protect against both influenza A and influenza B viruses.
Talk to your healthcare provider about getting the vaccine before flu season begins.
Bhat YR.Influenza B infections in children: A review.World J Clin Pediatr.
2020 Nov 19;9(3):44-52. doi: 10.5409/wjcp.v9.i3.44.
Centers for Disease Control and Prevention.Types of influenza.
Tokars JI, Olsen SJ, Reed C.Seasonal Incidence of Symptomatic Influenza in the United States.Clin Infect Dis.
2018 May 2;66(10):1511-1518. doi:10.1093/cid/cix1060.
Ghebrehewet S, MacPherson P, Ho A.Influenza.BMJ.2016;355:i6258.
doi:10.1136/bmj.i6258
Centers for Disease Control and Prevention.Flu symptoms and complications.
Johns Hopkins Medicine.Influenza (Flu) in Children.
2020 Jun;39(6):1109-1114. doi: 10.1007/s10096-020-03822-x.
Centers for Disease Control and Prevention.Influenza in Animals.
