infectious
adjective
[ ɪnˈfɛkʃəs ]
• (of a disease or disease-causing organism) liable to be transmitted to people, organisms, etc. through the environment.
• "outbreaks of infectious diseases"
Similar:
contagious,
communicable,
transmittable,
transmissible,
transferable,
conveyable,
spreadable,
spreading,
catching,
epidemic,
pandemic,
epizootic,
infective,
• likely to spread or influence others in a rapid manner.
• "a loud infectious laugh"