üle kanduv otsesel või lähikontaktil (piisknakkus) nakkusliku isendiga; võib öelda, et nakkav, able to be passed from one person or animal to another by touching; having a sickness that can be passed to someone else by touching; It's a highly contagious virus. http://www.merriam-webster.com/dictionary/contagious (Pathology) (of a disease) capable of being passed on by direct contact with a diseased individual or by handling clothing, etc, contaminated with the causative agent. Compare infectious; (Pathology) (of an organism) harbouring or spreading the causative agent of a transmissible disease; a contagious disease; http://www.thefreedictionary.com/contagious