"Flus" is a colloquial term that refers to influenza, commonly known as the flu. It is an infectious respiratory illness caused by the influenza viruses. The clue "Winter bugs" suggests that during the winter season, flu viruses tend to spread more easily, leading to a higher number of cases. Symptoms of the flu can include fever, cough, sore throat, body aches, fatigue, and congestion.
Note: The provided meaning of the answer is for the latest New York Times crossword puzzle clue: Winter bugs. Explanations are generated by AI and may be inaccurate.