What if Luz was a special infected from l4d

Months ago the World was thriving with life people going on about their life's work sleep eat and repeat but that soon change when a virus began spreading at alarming rate people Were unprepared for as this disease began to change the nature of people to these feral rapid monsters that kill anything with the virus even mutating some into monsterus beings but there was one infected that was different from the others one that could change . Find out to see what happens .  ( I will be using the concept of scrap special infected and fan-made ones as well)