viruslike

/ˈvaɪrəsˌlaɪk/
adjective
  1. Resembling or characteristic of a virus, especially in behavior, structure, or effect.
    • Under the microscope, the particles appeared viruslike in shape and size.
    • The rumor had a viruslike quality, infecting every conversation at the office.
    • The video went viral in a viruslike way, spreading from person to person overnight.