noun
influenza virus
Refers to the virus that causes influenza. Common in medical and everyday contexts.
今年のインフルエンザウイルスは感染力が強い。
This year's influenza virus is highly contagious.
インフルエンザウイルスの検査を受けました。
I was tested for the influenza virus.
Variant with a middle dot, sometimes used for clarity.
Refers to the illness influenza, while インフルエンザウイルス specifically means the virus that causes it.
Borrowed from English 'influenza virus'.