This is the 8770th most frequent Korean word.
감기는
"감기는" means "cold" (as in the illness).
The word '감기는' here refers to 'the common cold' as the subject of the sentence, indicating the focus of the statement.
감기는 겨울에 자주 걸리는 병입니다.
The common cold is a disease often caught in winter.
'감기는' is used to introduce the topic of the common cold, suggesting it as the focus for further discussion.
감기는 쉽지만 관리를 잘해야 합니다.
A cold is simple, but you need to take good care of it.
Here, '감기는' emphasizes the subject as the common cold, leading to a statement about its effective treatment.