Dated term for influenza; modern Japanese normally uses インフルエンザ. Still understood but sounds old-fashioned.
See also: インフルエンザ
My grandmother said, 'Be careful because the influenza is going around.'
Standard modern term for influenza; 流行風邪 is a dated synonym.
Standard kanji spelling for this dated term.
Variant with okurigana; less common but still encountered.
Mixed kana-kanji spelling; sometimes used for clarity.
Compound of 流行り (はやり, 'prevalent, going around') and 風邪 (かぜ, 'cold'). Literally 'prevalent cold', referring to influenza as a widespread illness.