直ちょく接せつ伝でん染せん

noun

direct infection; direct transmission

Medical term for the spread of a pathogen directly from one host to another without an intermediate vector.

• 直ちょく接せつ伝でん染せんは、感かん染せん者しゃとの接せっ触しょくによって起おこる。

  Direct infection occurs through contact with an infected person.