Infectivity

Pronunciation: /ˈˌɪnfɛktˈaɪˈvaɪˈtaɪ/

Infectivity (noun)

  1. The ability of a disease-causing organism to enter a person and cause infection.
  2. How easily a virus or germ can infect others under given conditions.

Examples

  • The disease has high infectivity in crowded rooms.
  • Infectivity increases when people stay close for long periods.