MedicalTerminology DB
Infection & Immunity Infectious Diseases

influenza A virus

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1 Definition of influenza A virus

Meaning of influenza A virus: One of three types of virus that cause the illness called influenza (flu).

One of three types of virus that cause the illness called influenza (flu). The influenza A virus can infect people, birds, pigs, horses, and other animals. It is the main cause of most influenza epidemics.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.