influenzal virus pneumonia

in·flu·en·zal vi·rus pneu·mo·ni·a

serious, often fatal form of pneumonia caused by a virus of the influenzal type; occurs in epidemics and pandemics.

in·flu·en·zal vi·rus pneu·mo·ni·a

(inflū-enzăl vīrŭs nū-mōē-ă) Serious, often fatal, form of pneumonia caused by a virus of the influenzal type.