← Back to influenza
Full Level B2 →
influenza Etymology Atlas
An acute contagious disease of the upper airways and lungs, caused by a virus, which rapidly spreads around the world in seasonal epidemics., an acute febrile highly contagious viral disease Pro
Word
Root
Affix
Tap any word to open its Atlas. Pinch to zoom, drag to pan.
influenza is a Level B2 word — Pro only
Pro unlocks the Etymology Atlas for levels A2–C2 — plus FSRS-5 spaced repetition, mastery tracking, and the activity dashboard.