This is the 5593rd most frequent Arabic word.
فيروسية
Viral.
In this sentence, 'فيروسية' describes the type of infection, thereby functioning as an adjective.
هذه العدوى فيروسية وتحتاج إلى نظام مناعي قوي لمكافحتها.
This infection is viral and requires a strong immune system to combat.
Here, 'فيروسية' metaphorically refers to the popular term 'viral,' indicating something that spreads quickly, used as an adjective.
الألعاب الفيديو فيروسية بين الشباب بسبب انتشارها السريع.
Video games are viral among youths due to their rapid spread.
In this instance, 'الفيروسية' is used to describe the type of diseases, adhering to its medical context.