▁k ills ▁a ▁girl , ▁and ▁the ▁remaining ▁officer , ▁Ser gio , ▁is ▁forced ▁to ▁shoot ▁her . ▁Áng ela ▁and ▁Pablo ▁begin ▁interview ing ▁the ▁residents . ▁One ▁of ▁the ▁interview ees ▁is ▁a ▁sick ▁little ▁girl ▁named ▁Jenn ifer . ▁Her ▁mother ▁Mari ▁Car men ▁claims ▁she ▁has ▁tons ill itis , ▁and ▁says ▁her ▁dog , ▁Max , ▁is ▁at ▁the ▁v et ▁because ▁he ▁is ▁sick ▁as ▁well . ▁A ▁health ▁inspect or ▁in ▁a ▁ha z mat ▁suit ▁arriv es ▁and ▁attempts ▁to ▁treat ▁the ▁injured ▁until ▁they ▁suddenly ▁become ▁pre tern atur ally ▁ag gress ive . ▁After ▁the ▁injured ▁are ▁locked ▁in ▁the ▁building ' s ▁text ile ▁w are house , ▁the ▁health ▁inspect or ▁explains ▁that ▁they ▁are ▁inf ected ▁with ▁a ▁virus ▁similar ▁to ▁ra b ies , ▁and ▁that ▁the ▁disease ▁was ▁trac ed ▁back ▁to ▁a ▁dog ▁in ▁the ▁a partment ▁building , ▁and ▁Áng ela ▁real izes ▁it ▁must ▁be ▁Max . ▁When ▁the ▁residents ▁confront ▁Mari ▁Car men , ▁Jenn ifer ▁turns , ▁vom its ▁blood ▁at ▁her ▁mother ' s ▁face ▁and ▁fle es ▁up st airs . ▁Ser gio ▁hand c uff s ▁Mari ▁Car men ▁to ▁the ▁st airs ▁and ▁proceed s ▁up st airs ▁with ▁Man u ▁and ▁Pablo . ▁They ▁find ▁Jenn ifer ▁but ▁she ▁bit es ▁Ser gio , ▁who ▁tells ▁the ▁others ▁to ▁leave ▁him . ▁Man u ▁and ▁Pablo ▁find ▁the ▁remaining ▁residents ▁running ▁up st airs ▁as ▁the ▁inf