This is the 6842nd most frequent Korean word.
인플루엔자
Influenza (a viral infection).
Used literally to describe the illness.
인플루엔자는 감기를 악화시킬 수 있습니다.
Influenza can worsen a cold.
Refers to the seasonal outbreak of the flu.
이번 겨울에 인플루엔자가 유행하고 있습니다.
Influenza is spreading this winter.
Mentioned in the context of preventative measures.