Answer: contagious

AnswerCrossword Clue
CONTAGIOUSCatching.
contagiouscommunicable by contact
contagious(of a disease) Spread from one person or organism to another by direct or indirect contact
contagious(of an emotion, feeling, or attitude) Likely to spread to and affect others
contagious(of a person or animal) Likely to transmit a disease by contact with other people or animals