An air treatment device is provided. The air treatment device includes a negative air machine and a cold air fogger. The negative air machine includes an intake and an output for airflow. The cold air fogger may include a tank for including the fogging liquid and a delivery nozzle directed towards the output of the airflow of the negative air machine. Therefore, infected air may travel through the negative air machine and out of the output where the airflow is treated by the cold air fogger. The present invention may treat air within contaminated rooms.