infective

Etymology

infect + -ive

adj

  1. Able to cause infection; infectious

noun

  1. (epidemiology) A person who is capable of spreading a disease by infecting others.
    It is evident that the greater the number of susceptibles, then the greater the increase in the number of infectives. 2002, Belinda Barnes, Glenn Fulford, Mathematical Modeling with Case Studies, page 140

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