Influenza
Definition
Influenza, often referred to as flu, is a highly contagious viral infection that primarily affects the respiratory system. It's known for causing seasonal epidemics almost every winter.
Related terms
Pandemic: An outbreak of a disease that occurs over a wide geographic area and affects an exceptionally high proportion of the population.
Antiviral Drugs: Medications that are used specifically for treating viral infections rather than bacterial ones.
Herd Immunity: A form of indirect protection from infectious disease that occurs when a large percentage of a population has become immune to an infection.
"Influenza" appears in:
Subjects (2)
AP European History
AP World History: Modern
Study guides (1)
AP US History - 2.5 Interactions between Native Americans and Europeans
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About Us
About Fiveable
Blog
Careers
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Cram Events
Merch Shop
Crisis Text Line
Help Center
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.