伝でん染せん性せい

noun which may take the genitive case particle 'no', noun

infectious; contagious

Medical term used to describe diseases that can be transmitted from person to person or from animal to person. Often used attributively with の.

• この病びょう気きは伝でん染せん性せいが高たかい。

  This disease is highly contagious.

• 伝でん染せん性せいのウイルスに注ちゅう意いしてください。

  Please be careful of infectious viruses.