IPA: /ɪnˈfluːənzəl/
KK: /ɪnˈfluːɛnzl/
Relating to a viral infection that affects the respiratory system, commonly known as the flu.
The influenzal outbreak caused many people to stay home from work and school.
Influenzal is derived from "influenz" (from Italian *influenza*, meaning influence) and the suffix "-al" (meaning pertaining to). The term refers to something that is related to or characteristic of influenza, a viral infection that influences health.
Think of 'influence' when remembering that 'influenzal' pertains to the effects of influenza on health.