noun
swine influenza; swine flu
Medical and general term for influenza in pigs; also used for the human variant when context is clear.
豚インフルエンザの流行が心配されている。
An outbreak of swine flu is a concern.
鳥インフルエンザ refers to avian influenza (bird flu), while 豚インフルエンザ is swine flu.
Compound of 豚 (buta, 'pig') and インフルエンザ (infuruenza, 'influenza'), a direct calque of English 'swine influenza'.