Dictionary

infectivity en · NOUN

Etymology

Etymology tree English infective Proto-Indo-European *-teh₂ Proto-Indo-European *-ts Proto-Indo-European *-teh₂ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English infectivity From infective + -ity.

Meanings

1. (countable, uncountable) The ability of a pathogen to establish an infection
   • The reputation for low infectivity of rubella was probably based on failure to recognise rashless cases. 1972, Charles Allan Birch, The House Physician's Handbook, page 70:

Forms